10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

[☒] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the Quarterly Period Ended September 30, 2021

[☐] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _________ to _________.

Commission File Number: 001-37921

FORTERRA, INC.

(Exact name of registrant as specified in its charter)

Delaware	37-1830464
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

511 East John Carpenter Freeway, 6th Floor, Irving, TX 75062

(Address of principal executive offices, including zip code)

(469) 458-7973

(Registrant’s telephone number, including area code)

Securities Registered Pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, $0.001 par value per share	FRTA	Nasdaq Stock Market LLC

     Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [ ]

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes [X] No [ ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer	Accelerated filer	Non-accelerated filer	Smaller reporting company	Emerging growth company
o	x	o	☐	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. [ ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes [☐] No [X]

There were 66,973,045 shares of common stock, par value $0.001 per share, of the registrant outstanding as of October 25, 2021.

TABLE OF CONTENTS

		Page
Part I	Financial Information
Item 1.	Financial Statements	1
	Condensed Consolidated Statements of Operations	1
	Condensed Consolidated Statements of Comprehensive Income	2
	Condensed Consolidated Balance Sheets	3
	Condensed Consolidated Statements of Shareholders' Equity	4
	Condensed Consolidated Statements of Cash Flows	6
	Notes to the Unaudited Condensed Consolidated Financial Statements	7
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	29
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	44
Item 4.	Controls and Procedures	45
Part II	Other Information
Item 1.	Legal Proceedings	47
Item 1A.	Risk Factors	47
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	47
Item 3.	Defaults Upon Senior Securities	47
Item 4.	Mine Safety Disclosures	47
Item 5.	Other Information	47
Item 6.	Exhibits	48

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

FORTERRA, INC.

Condensed Consolidated Statements of Operations

(in thousands, except per share data)

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
	(unaudited)				(unaudited)
Net sales	$	526,640	$	457,557	$	1,387,554	$	1,214,619
Cost of goods sold	410,072		331,284		1,069,150		924,025
Gross profit	116,568		126,273		318,404		290,594
Selling, general & administrative expenses	(51,830)		(57,050)		(163,131)		(164,573)
Impairment and exit charges	(19)		(1,389)		(493)		(2,478)
Other operating income (expense), net	414		224		12,917		(447)
	(51,435)		(58,215)		(150,707)		(167,498)
Income from operations	65,133		68,058		167,697		123,096
Other income (expense)
Interest expense	(19,001)		(20,055)		(56,421)		(60,502)
Loss on extinguishment of debt	—		(11,547)		—		(11,481)
Earnings from equity method investee	3,337		2,295		9,498		8,220
Income before income taxes	49,469		38,751		120,774		59,333
Income tax expense	(13,701)		(9,924)		(30,265)		(17,457)
Net income	$	35,768	$	28,827	$	90,509	$	41,876
Earnings per share:
Basic	$	0.53	$	0.44	$	1.36	$	0.64
Diluted	$	0.51	$	0.42	$	1.30	$	0.62
Weighted average common shares outstanding:
Basic	66,936		65,336		66,621		65,078
Diluted	69,761		68,717		69,570		67,878

See accompanying notes to unaudited condensed consolidated financial statements

1

FORTERRA, INC.

Condensed Consolidated Statements of Comprehensive Income

(in thousands)

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
	(unaudited)				(unaudited)
Net income	$	35,768	$	28,827	$	90,509	$	41,876
Change in other postretirement benefit plans, net of tax	—		—		—		(681)
Foreign currency translation adjustment	(1,867)		1,275		(264)		(1,987)
Comprehensive income	$	33,901	$	30,102	$	90,245	$	39,208

See accompanying notes to unaudited condensed consolidated financial statements

2

FORTERRA, INC.

Condensed Consolidated Balance Sheets

(in thousands)

	September 30, 2021		December 31, 2020
ASSETS	(unaudited)
Current assets
Cash and cash equivalents	$	24,012	$	25,678
Receivables, net	345,819		227,948
Inventories	254,749		222,928
Prepaid expenses	9,204		7,967
Other current assets	1,922		2,022
Total current assets	635,706		486,543
Non-current assets
Property, plant and equipment, net	451,140		451,082
Operating lease right-of-use assets	53,809		54,379
Goodwill	509,671		509,127
Intangible assets, net	77,465		101,409
Investment in equity method investee	48,783		48,285
Other long-term assets	4,301		4,987
Total assets	$	1,780,875	$	1,655,812
LIABILITIES AND EQUITY
Current liabilities
Trade payables	$	166,284	$	134,144
Accrued liabilities	117,659		115,693
Deferred revenue	11,572		8,220
Current portion of long-term debt	12,510		12,510
Current portion of tax receivable agreement	8,333		8,333
Total current liabilities	316,358		278,900
Non-current liabilities
Long-term debt	881,331		887,511
Long-term finance lease liabilities	142,508		142,195
Long-term operating lease liabilities	50,737		50,943
Deferred tax liabilities	9,995		9,671
Other long-term liabilities	32,401		36,918
Long-term tax receivable agreement	55,907		55,907
Total liabilities	1,489,237		1,462,045
Commitments and Contingencies (Note 14)
Equity
Common stock, $0.001 par value, 190,000 shares authorized; 66,960 and 65,981 shares issued and outstanding	19		19
Additional paid-in-capital	260,205		252,579
Accumulated other comprehensive loss	(7,220)		(6,956)
Retained earnings (deficit)	38,634		(51,875)
Total shareholders' equity	291,638		193,767
Total liabilities and shareholders' equity	$	1,780,875	$	1,655,812

See accompanying notes to unaudited condensed consolidated financial statements

3

FORTERRA, INC.

Condensed Consolidated Statements of Shareholders' Equity

(in thousands, except share data)

(unaudited)

	Common Stock
	Shares	Amount		Additional Paid-in-Capital		Accumulated Other Comprehensive Income (Loss)		Retained Earnings (Deficit)		Total Shareholders' Equity
Balance at December 31, 2020	65,980,787	$	19	$	252,579	$	(6,956)	$	(51,875)	$	193,767
Share-based compensation expense	—	—		2,784		—		—		2,784
Stock-based plan activity	674,896	—		(856)		—		—		(856)
Comprehensive income:
Net income	—	—		—		—		18,676		18,676
Foreign currency translation adjustment	—	—		—		659		—		659
Balance at March 31, 2021	66,655,683	19		254,507		(6,297)		(33,199)		215,030
Share-based compensation expense	—	—		2,054		—		—		2,054
Stock-based plan activity	265,125	—		1,292		—		—		1,292
Comprehensive income:
Net income	—	—		—		—		36,065		36,065
Foreign currency translation adjustment	—	—		—		944		—		944
Balance at June 30, 2021	66,920,808	19		257,853		(5,353)		2,866		255,385
Share-based compensation expense	—	—		1,973		—		—		1,973
Stock-based plan activity	38,796	—		379		—		—		379
Comprehensive income:
Net income	—	—		—		—		35,768		35,768
Foreign currency translation adjustment	—	—		—		(1,867)		—		(1,867)
Balance at September 30, 2021	66,959,604	$	19	$	260,205	$	(7,220)	$	38,634	$	291,638

4

	Common Stock
	Shares	Amount		Additional Paid-in-Capital		Accumulated Other Comprehensive Income (Loss)		Retained Earnings (Deficit)		Total Shareholders' Equity
Balance at December 31, 2019	64,740,667	$	19	$	244,372	$	(7,063)	$	(116,361)	$	120,967
Share-based compensation expense	—	—		2,864		—		—		2,864
Stock-based plan activity	336,752	—		(194)		—		—		(194)
Comprehensive loss:
Net loss	—	—		—		—		(14,066)		(14,066)
Change in other postretirement benefit plans, net of tax	—	—		—		(681)		—		(681)
Foreign currency translation adjustment	—	—		—		(5,699)		—		(5,699)
Balance at March 31, 2020	65,077,419	19		247,042		(13,443)		(130,427)		103,191
Share-based compensation expense	—	—		2,607		—		—		2,607
Stock-based plan activity	133,488	—		46		—		—		46
Comprehensive income:
Net income	—	—		—		—		27,115		27,115
Foreign currency translation adjustment	—	—		—		2,437		—		2,437
Balance at June 30, 2020	65,210,907	19		249,695		(11,006)		(103,312)		135,396
Share-based compensation expense	—	—		2,330		—		—		2,330
Stock-based plan activity	462,495	—		1,836		—		—		1,836
Comprehensive income:
Net income	—	—		—		—		28,827		28,827
Foreign currency translation adjustment	—	—		—		1,275		—		1,275
Balance at September 30, 2020	65,673,402	$	19	$	253,861	$	(9,731)	$	(74,485)	$	169,664

See accompanying notes to unaudited condensed consolidated financial statements

5

FORTERRA, INC.

Condensed Consolidated Statements of Cash Flows

(in thousands)

	Nine months ended
	September 30,
	2021		2020
CASH FLOWS FROM OPERATING ACTIVITIES	(unaudited)
Net income	$	90,509	$	41,876
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation & amortization expense	61,822		67,271
(Gain) loss on disposal of property, plant and equipment	(10,267)		1,949
Loss on extinguishment of debt	—		11,481
Amortization of debt discount and issuance costs	3,704		5,292
Stock-based compensation expense	6,811		7,801
Impairment charges	382		1,332
Earnings from equity method investee	(9,498)		(8,220)
Distributions from equity method investee	9,000		7,500
Unrealized (gain) loss on derivative instruments, net	(250)		894
Unrealized foreign currency (gain) loss, net	(108)		261
Provision for doubtful accounts	1,149		166
Deferred taxes	324		(3,473)
Other non-cash items	1,665		3,841
Change in assets and liabilities:
Receivables, net	(116,826)		(71,203)
Inventories	(30,695)		18,775
Other current assets	(1,104)		6,350
Accounts payable and accrued liabilities	29,794		59,307
Other assets and liabilities	(702)		11,427
NET CASH PROVIDED BY OPERATING ACTIVITIES	35,710		162,627
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment, and intangible assets	(42,399)		(15,454)
Proceeds from sale of fixed assets	21,172		10,678
Business combinations, net of cash acquired	(7,000)		—
NET CASH USED IN INVESTING ACTIVITIES	(28,227)		(4,776)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from senior secured notes	—		500,000
Payment of debt issuance costs	—		(11,299)
Repayments of term loans	(9,381)		(644,923)
Proceeds from revolver	40,000		180,000
Repayments of revolver	(40,000)		(180,000)
Proceeds from issuance of common stock	3,464		2,275
Payment pursuant to tax receivable agreement	—		(4,411)
Other financing activities	(3,320)		(1,172)
NET CASH USED IN FINANCING ACTIVITIES	(9,237)		(159,530)
Effect of exchange rate changes on cash	88		(363)
Net change in cash and cash equivalents	(1,666)		(2,042)
Cash and cash equivalents, beginning of period	25,678		34,800
Cash and cash equivalents, end of period	$	24,012	$	32,758
SUPPLEMENTAL DISCLOSURES:
Cash interest paid	$	58,425	$	44,333
Income taxes paid, net	26,110		8,770

See accompanying notes to unaudited condensed consolidated financial statements

6

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

1. Description of the business

    Forterra, Inc. (“Forterra” or the ‘‘Company’’) is involved in the manufacturing, sale and distribution of building products in the United States (“U.S.”) and Eastern Canada. Forterra’s primary products are concrete drainage pipe, precast concrete structures, and water transmission pipe used in drinking and wastewater systems. These products are used in the infrastructure, residential and non-residential sectors of the construction industry.

2. Summary of significant accounting policies

General

    The Company's condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”) and include the accounts and results of operations of the Company and its consolidated subsidiaries. All intercompany transactions have been eliminated in consolidation.

    The condensed consolidated balance sheets and the condensed consolidated statements of operations, comprehensive income, cash flows and equity for the periods presented herein reflect all adjustments that are of a normal recurring nature and are necessary for a fair statement of the results of the periods shown. Certain information and note disclosures normally included in annual financial statements have been condensed or omitted pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”).

    The results of operations for the periods presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2021. Seasonal changes and other conditions can affect the sales volumes of the Company's products. The financial results for any interim period do not necessarily indicate the expected results for the year.

    These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto for the year ended December 31, 2020 as provided in Forterra, Inc.'s Annual Report on Form 10-K for the year ended December 31, 2020 filed with the SEC on February 25, 2021 (the “2020 10-K”). The Company has continued to follow the accounting policies set forth in those financial statements, except as supplemented and documented below. Certain prior year numbers were reclassified to conform with current year presentation. Such reclassification had no impact on the previously reported results of operations. See Note 17, Segment reporting, for further detail.

Use of estimates

    The preparation of the condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the reporting date, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates. These estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future. The more significant estimates made by management relate to fair value estimates for assets and liabilities acquired in business combinations; estimates for accrued liabilities for environmental cleanup, bodily injury and insurance claims; estimates for commitments and contingencies; and estimates for the realizability of deferred tax assets, the tax receivable agreement obligation, inventory reserves, allowance for doubtful accounts and impairment of goodwill and long-lived assets.

    Certain accounting matters that generally require consideration of forecasted financial information were assessed in light of the impact from the coronavirus disease ("COVID-19") pandemic. The accounting matters assessed included, but were not limited to, the Company’s allowance for doubtful accounts, inventory reserves, goodwill impairment, impairment of property and equipment and valuation allowances for tax assets. While the

7

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

assessments resulted in no material impacts to the Company’s condensed consolidated financial statements as of and for the three and nine months ended September 30, 2021, the Company believes the full impact of the COVID-19 outbreak remains uncertain and will continue to assess if ongoing developments related to the outbreak may cause future material impacts to its consolidated financial statements.

Concentration of Credit Risk

    The Company had an individual customer within its Water Pipe & Products segment that accounted for approximately 19% and 16% of the Company's total net sales for the nine months ended September 30, 2021 and 2020, respectively, and receivables at September 30, 2021 and December 31, 2020 representing 16% and 16% of the Company's total receivables, net, respectively.

Credit Losses

    Trade accounts receivable. The allowance for doubtful accounts is based on the Company’s assessment of the collectability of customer accounts. The Company regularly reviews the allowance by considering factors such as historical experience, credit quality, the age of the accounts receivable balances, and current economic conditions that may affect a customer’s ability to pay.

    The Company's exposure to credit losses may increase if one or more of its customers are adversely affected by changes in laws or other government recommendations or mandates, economic pressures or uncertainty associated with local or global economic recessions, disruption or other impacts associated with the COVID-19 pandemic, or other customer-specific factors. Although the Company has historically not experienced significant credit losses, it is possible that there could be a material adverse impact from potential adjustments of the carrying amount of trade receivables as customers are impacted by the COVID-19 pandemic.

Recent Accounting Guidance Adopted

    In March 2020, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in the ASU provide optional guidance for a limited time to ease the potential burden in accounting for reference rate reform. The new guidance provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments apply only to contracts and hedging relationships that reference London Interbank Offered Rate ("LIBOR") or another reference rate expected to be discontinued due to reference rate reform. The guidance was effective upon issuance and generally can be applied through December 31, 2022 and has not had any material impact to the Company's condensed consolidated financial statements.

    In December 2019, the FASB issued ASU No. 2019-12, Simplifying the Accounting for Income Taxes (Topic 740). The new guidance simplifies the accounting for income taxes by eliminating certain exceptions related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period, hybrid taxes, and the recognition of deferred tax liabilities for outside basis differences.  It also clarifies and simplifies other aspects of the accounting for income taxes. The Company adopted this ASU on January 1, 2021 on a prospective basis, which did not have a material impact on the Company's condensed consolidated financial statements.

8

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

3. Mergers and dispositions

Barbour Concrete Acquisition

On July 1, 2021, the Company acquired the business of Barbour Concrete Company & Barbour Building Systems ("Barbour") for $7.3 million, inclusive of $0.3 million payment for additional net working capital delivered with the business that was made in October 2021. Barbour is a manufacturer of precast concrete products used in drainage, stormwater, utility and other infrastructure applications based in Independence, Missouri. Barbour primarily serves the greater Kansas City metropolitan area. The acquisition was accounted for as a business combination as defined by ASC 805, Business Combinations; consequently, goodwill of $0.5 million was recorded.

Quikrete Merger Agreement

On February 19, 2021, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Quikrete Holdings, Inc., a Delaware corporation (“Parent”), and Jordan Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent (“Merger Sub”). Pursuant to the Merger Agreement, subject to the satisfaction or waiver of specified conditions, Merger Sub will merge with and into the Company (the “Merger”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent.

Pursuant to the Merger Agreement, at the effective time of the Merger (the “Effective Time”), each issued and outstanding share of common stock (the “Common Stock”) of the Company (other than (i) any shares held in the treasury of the Company or owned, directly or indirectly, by Parent, Merger Sub or any wholly-owned subsidiary of the Company immediately prior to the Effective Time, (ii) shares that are subject to any vesting restrictions (“Company Restricted Shares”) granted under the Company’s stock incentive plans (the “Company Stock Plans”) and (iii) any shares owned by stockholders who have properly exercised and perfected appraisal rights under Delaware law) will be automatically canceled and converted into the right to receive $24.00 in cash, without interest (the “Merger Consideration”), subject to deduction for any required withholding tax.

At the Effective Time:

(1) each restricted stock unit that is solely subject to time-based vesting requirements granted under the Company Stock Plans that is outstanding immediately prior to the Effective Time shall fully vest and be converted into the right to receive an amount in cash (without interest and subject to applicable tax withholdings) equal to the product of (i) the Merger Consideration multiplied by (ii) the number of shares of Common Stock subject to such vested restricted stock unit;

(2) each restricted stock unit that is subject to performance-based vesting requirements granted under the Company Stock Plans that is outstanding immediately prior to the Effective Time shall immediately vest and be converted into the right to receive an amount in cash (without interest and subject to applicable tax withholdings) equal to the product of (i) the Merger Consideration multiplied by (ii) the number of shares subject to such vested restricted stock unit immediately prior to the Effective Time as determined in accordance with the Merger Agreement;

(3) each option to purchase shares of Common Stock granted under the Company Stock Plans that is outstanding immediately prior to the Effective Time shall fully vest, to the extent not vested previously, and be converted into the right to receive an amount in cash (without interest and subject to applicable tax withholdings) equal to the product of (i) the remainder, if positive, of (A) the Merger Consideration minus (B) the exercise price per share of Common Stock of such option multiplied by (ii) the number of shares of Common Stock subject to such vested option; and

9

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

(4) each Company Restricted Share that is outstanding immediately prior to the Effective Time shall immediately vest in full and be converted into the right to receive an amount in cash (without interest and subject to applicable tax withholdings) equal to the Merger Consideration.

Each party’s obligation to consummate the Merger is subject to certain conditions, including, among others: (i) expiration or termination of the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended; (ii) the absence of any order issued by any court of competent jurisdiction, other legal restraint or prohibition or any law enacted or deemed applicable by a governmental entity that prohibits or makes illegal the consummation of the Merger; (iii) the passing of twenty (20) days from the date on which the Company mails to the Company’s stockholders the definitive information statement regarding the stockholder approval of the Merger by written consent; (iv) subject to certain qualifications, the accuracy of representations and warranties of the other party set forth in the Merger Agreement; and (v) the performance by the other party in all material respects of its obligations under the Merger Agreement. Parent’s obligation to consummate the Merger is also conditioned on, among other things, the absence of any Material Adverse Effect (as defined in the Merger Agreement).

Entry into the Merger Agreement has been unanimously approved by the board of directors of the Company.

The Merger Agreement includes customary representations, warranties and covenants of the Company, Parent and Merger Sub. Among other things, the Company has agreed to use commercially reasonable efforts to conduct its business in the ordinary course of business consistent with past practice and use commercially reasonable efforts to preserve intact its businesses until the Merger is consummated. The Company and Parent have also agreed to use their respective reasonable best efforts to obtain any approvals from governmental authorities for the Merger, including all required antitrust approvals, on the terms and subject to the conditions set forth in the Merger Agreement, provided that Parent and its affiliates will not be required to take, or agree to take, certain actions with respect to assets, businesses or product lines of Parent or any of its subsidiaries, or the Company or any of its subsidiaries, accounting for more than $80 million of EBITDA (as defined in the Merger Agreement) for the 12 months ended December 31, 2020, measured in accordance with the Merger Agreement.

The Merger Agreement contains certain provisions giving each of Parent and the Company rights to terminate the Merger Agreement under certain circumstances, including the right for either Parent or the Company to terminate the Merger Agreement if the Merger has not been consummated on or before November 19, 2021, which date will be automatically extended for up to two additional 60-day periods in specified circumstances as described in the Merger Agreement (such date, as may be so extended pursuant to the Merger Agreement, the “Outside Date”). Upon termination of the Merger Agreement under specified circumstances, the Company will be required to pay Parent a termination fee of $50 million. The Merger Agreement further provides that Parent will be required to pay the Company a reverse termination fee of $85 million under certain circumstances if the Merger Agreement is terminated due to the failure of the parties to obtain required approvals under Antitrust Laws (as defined in the Merger Agreement) prior to the Outside Date or as a result of a Restraint (as defined in the Merger Agreement) arising under applicable Antitrust Laws.

If the Merger is consummated, the shares of Common Stock will be delisted from the Nasdaq Stock Market LLC and deregistered under the Securities Exchange Act of 1934, as amended (the “Exchange Act”).

Transaction costs

    For the three and nine months ended September 30, 2021, the Company recognized aggregate transaction costs, including legal, accounting, valuation, and advisory fees, specific to the Merger of $4.1 million and $8.0 million, respectively. These costs are recorded in the condensed consolidated statements of operations within selling, general & administrative expenses.

10

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

4. Receivables, net

    Receivables consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Trade receivables	$	323,655	$	195,997
Amounts billed but not yet paid under retainage provisions	2,485		4,022
Other receivables	21,713		29,026
Total receivables	347,853		229,045
Less: Allowance for doubtful accounts	(2,034)		(1,097)
Receivables, net	$	345,819	$	227,948

5. Inventories

    Inventories consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Finished goods	$	151,826	$	145,872
Raw materials	101,961		76,322
Work in process	962		734
Total inventories	$	254,749	$	222,928

6. Investment in equity method investee

    The Company owns 50% of the Common Unit voting shares of Concrete Pipe & Precast LLC ("CP&P") and consequently, has recorded its investment in the Common Unit voting shares in accordance with ASC 323, Investments – Equity Method and Joint Ventures, under the equity method of accounting.

    The Company's investment in the joint venture was $48.8 million at September 30, 2021, which is included within the Drainage Pipe & Products segment. At September 30, 2021, the difference between the amount at which the Company's investment is carried and the amount of the Company's share of the underlying equity in net assets of CP&P was approximately $12.9 million. The basis difference is primarily attributed to the value of land and equity method goodwill associated with the investment.

    The following reflects the Company's distribution and earnings in the equity investment (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
Distribution received from CP&P	$	(4,500)	$	(3,000)	$	(9,000)	$	(7,500)
Share of earnings in CP&P	3,355		2,313		9,552		8,274
Amortization of excess fair value of investment	(18)		(18)		(54)		(54)

11

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

    Selected financial data for CP&P on a 100% basis is as follows (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
Net sales	$	45,440	$	37,256	$	129,396	$	116,775
Gross profit	11,559		9,046		33,339		30,517
Income from operations	6,675		4,608		18,828		16,487
Net income	6,612		4,548		18,636		16,314

7. Property, plant and equipment, net

    Property, plant and equipment, net, consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Machinery and equipment	$	433,837	$	410,436
Land, buildings and improvements	236,967		234,251
Other equipment	13,426		12,633
Construction-in-progress	33,472		26,073
Total property, plant and equipment	717,702		683,393
Less: accumulated depreciation	(266,562)		(232,311)
Property, plant and equipment, net	$	451,140	$	451,082

    Depreciation expense totaled $12.4 million and $36.8 million for the three and nine months ended September 30, 2021, respectively, and $12.0 million and $36.3 million for the three and nine months ended September 30, 2020, respectively, which is included in cost of goods sold and selling, general and administrative expenses in the condensed consolidated statements of operations.

8. Goodwill and other intangible assets, net

    The Company has recorded goodwill in connection with its acquisition of businesses. The following table summarizes the changes in goodwill by operating segment for the nine months ended September 30, 2021 (in thousands):

	Drainage Pipe & Products		Water Pipe & Products		Total
Balance at December 31, 2020	$	190,767	$	318,360	$	509,127
Acquisitions	507		—		507
Foreign currency and other adjustments	37		—		37
Balance at September 30, 2021	$	191,311	$	318,360	$	509,671

12

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

    Intangible assets other than goodwill at September 30, 2021 and December 31, 2020 included the following (in thousands):

	Net carrying value as of September 30, 2021		Net carrying value as of December 31, 2020
Customer relationships	$	53,339	$	70,503
Trade names	11,896		14,935
Patents	3,500		5,029
Non-compete agreements	3,091		4,962
Developed technology	5,326		5,606
Other	313		374
Total intangible assets	$	77,465	$	101,409

    Amortization expense totaled $8.4 million and $25.0 million for the three and nine months ended September 30, 2021, respectively, and $10.3 million and $31.0 million for the three and nine months ended September 30, 2020, respectively, which is included in selling, general and administrative expenses in the     condensed consolidated statements of operations. All of the Company's intangible assets are amortizable.

9. Fair value measurement

    The Company's financial instruments consist primarily of cash and cash equivalents, trade and other receivables, derivative instruments, accounts payable, long-term debt, operating and finance lease liabilities, accrued liabilities and the tax receivable agreement obligation. The carrying value of the Company's trade receivables, other receivables, trade payables, the asset-based revolver and accrued liabilities approximates fair value due to their short-term maturity or other terms related to these financial instruments. The Company may adjust the carrying amount of certain non-financial assets to fair value on a non-recurring basis when they are impaired.

    The estimated carrying amount and fair value of the Company’s financial instruments measured and recorded at fair value on a recurring basis are as follows for the dates indicated (in thousands):

	Fair value measurements at September 30, 2021 using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value September 30, 2021
Liabilities:
Derivative liability	$	—	$	322	$	—	$	322
	Fair value measurements at December 31, 2020 using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value December 31, 2020
Liabilities:
Derivative liability	$	—	$	572	$	—	$	572

Liabilities and assets classified as level 2 which are recorded at fair value are valued using observable market inputs. The fair values of derivative assets and liabilities are determined using quantitative models that utilize multiple market inputs including interest rates and exchange rates to generate continuous yield or pricing curves and volatility factors to value the position. The majority of market inputs are actively quoted and can be validated through external sources, including brokers, market transactions and third-party pricing services. The fair values of derivative assets and liabilities include adjustments for market liquidity, counter-party credit quality,

13

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

and other instrument-specific factors, where appropriate. In addition, the Company incorporates within its fair value measurements a valuation adjustment to reflect the credit risk associated with the net position. Positions are netted by counterparties, and fair value for net long exposures is adjusted for counter-party credit risk while the fair value for net short exposures is adjusted for the Company’s own credit risk.

    The estimated carrying amount and fair value of the Company’s financial instruments and liabilities for which fair value is only disclosed is as follows (in thousands):

			Fair value measurements at September 30, 2021 using
	Carrying Amount September 30, 2021		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value September 30, 2021
Liabilities:
Term Loan	$	400,487	$	—	$	405,992	$	—	$	405,992
Senior Secured Notes	493,354		—		534,900		—		534,900
Tax receivable agreement payable	64,240		—		—		41,656		41,656

			Fair value measurements at December 31, 2020 using
	Carrying Amount December 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value December 31, 2020
Liabilities:
Term Loan	$	407,978	$	—	$	415,386	$	—	$	415,386
Senior Secured Notes	492,043		—		539,760		—		539,760
Tax receivable agreement payable	64,240		—		—		40,586		40,586

The fair value of debt is valued using a market approach based on indicative quoted prices for the Company's debt instruments traded in over-the-counter markets and, therefore, is classified as Level 2 within the fair value hierarchy. See Note 11, Debt and deferred financing costs, for a further discussion of Company debt.

    The determination of the fair value of the Company's tax receivable agreement payable was made using a discounted cash flow methodology with level 3 inputs as defined by ASC 820, Fair Value Measurements and Disclosures. The determination of fair value required significant judgment, including estimates of the timing and amounts of various tax attributes. These estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future. Actual results could differ from these estimates. See Note 14, Commitments and contingencies, for a further discussion of the Company's tax receivable agreement.

14

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

10.    Accrued liabilities

    Accrued liabilities consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Accrued payroll and employee benefits	$	47,392	$	49,434
Short-term finance leases	17,783		17,009
Short-term operating leases	8,214		7,448
Accrued taxes	19,206		13,642
Warranty	4,031		7,069
Accrued rebates	15,397		11,649
Other miscellaneous accrued liabilities	5,636		9,442
Total accrued liabilities	$	117,659	$	115,693

11. Debt and deferred financing costs

    The Company’s debt consisted of the following (in thousands):

	September 30,		December 31,
	2021		2020
Term Loan, net of debt issuance costs and original issuance discount of $4,998 and $6,889, respectively	$	400,487	$	407,978
Senior Secured Notes, net of debt issuance costs and original issuance discount of $6,646 and $7,957, respectively	493,354		492,043
Total debt	$	893,841	$	900,021
Less: current portion debt	(12,510)		(12,510)
Total long-term debt	$	881,331	$	887,511

As of September 30, 2021, Forterra had no borrowings under its $350 million asset based revolving credit facility under its ABL Credit Agreement dated October 25, 2016 (the “ABL Credit Agreement”) for working capital and general corporate purposes (“Revolver”), $405.5 million outstanding under its senior term loan facility (“Term Loan”) and $500 million senior secured notes due 2025 (the “Notes”).

Senior Secured Notes

On July 16, 2020, Forterra Finance, LLC and FRTA Finance Corp., both wholly-owned subsidiaries of the Company, completed the issuance of $500 million aggregate principal amount of senior secured notes due in 2025. The Notes have a fixed annual interest rate of 6.50% which will be paid semi-annually on January 15 and July 15 of each year. The Notes will mature on July 15, 2025. The Company used the net proceeds from the offering to repay $492.5 million of the principal amount of the Term Loan at par, plus accrued interest. The Company incurred debt issuance costs of $8.8 million and will amortize them over the term of the Notes under the effective interest method.

Obligations under the Notes are guaranteed by the Company and the Company’s existing and future subsidiaries (other than the issuing companies) that guarantee the Term Loan and the obligations of the U.S. borrowers under the Revolver. The Notes and the related guarantees are secured by first-priority liens on the collateral that secures the Term Loan on a first-priority basis (which is generally all assets other than those that secure the Revolver on a first-priority basis as set forth below) and second-priority liens on the collateral that secures the Revolver on a first-priority basis (which is generally inventory, accounts receivable, deposit accounts, securities accounts, certain intercompany loans and related assets), which second-priority liens will be ratable

15

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

with the liens on such assets securing the obligations under the Term Loan and junior to the liens on such assets securing the Revolver.

At any time prior to July 15, 2022, the Company may on any one or more occasions redeem all or part of the Notes at a redemption price equal to 100% of the principal amount of the Notes redeemed, plus a “make whole premium” as of, and accrued and unpaid interest to the date of redemption, subject to the right of holders of Notes on the relevant record date to receive interest due on an interest payment date occurring on or prior to the redemption date. In addition, at any time prior to July 15, 2022, the Company may on any one or more occasions redeem up to 40% of the aggregate principal amount of the Notes (calculated after giving effect to the issuance of any additional notes) issued under the Indenture at a redemption price equal to 106.500% of the principal amount of Notes redeemed, plus accrued and unpaid interest to the date of redemption (subject to the right of holders of Notes on the relevant record date to receive interest due on an interest payment date occurring on or prior to the redemption date), with the net cash proceeds of an equity offering. Furthermore, at any time on or after July 15, 2022, the Company may on any one or more occasions redeem all or part of the Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest on the Notes redeemed, to the applicable date of redemption, if redeemed during the 12-month period beginning on July 15 of the years indicated below, subject to the rights of holders of Notes on a relevant record date to receive interest on an interest payment date occurring on or prior to the redemption date:

	Percentage
2022	103.250	%
2023	101.625	%
2024 and thereafter	100.000	%

The Notes contain customary negative covenants, including, among other things, limitations or prohibitions on restricted payments, incurrence of additional indebtedness, liens, mergers, asset sales and transactions with affiliates. In addition, the Indenture contains customary events of default.        

Term Loan

The Term Loan provides for a $1.25 billion senior secured term loan. Subject to the conditions set forth in the term loan agreement, the Term Loan may be increased by (i) up to the greater of $285.0 million and 1.0x consolidated EBITDA (defined below) of Forterra and its restricted subsidiaries for the four quarters most recently ended prior to such incurrence plus (ii) the aggregate amount of any voluntary prepayments, plus (iii) an additional unlimited amount, provided (x) in the case of any incremental debt that is secured by a lien that is pari passu with the liens securing the Term Loan, the first lien leverage ratio does not exceed 4.10 to 1.00, (y) in the case of incremental debt that is secured by a lien that is junior to the liens securing the Term Loan, the total leverage ratio does not exceed 5.50 to 1.00 and (z) in the case of incremental debt that is unsecured, the total leverage ratio does not exceed 5.75 to 1.00, in each case, determined on a pro forma basis.

    The Term Loan matures on October 25, 2023 and is subject to quarterly amortization equal to 0.25% of the initial principal amount. Interest accrues on outstanding borrowings thereunder at a rate equal to adjusted LIBOR (with a floor of 1.0%) or an alternate base rate (the base rate, which is the highest of the then current federal funds rate plus 0.50%, the prime rate most recently announced by the administrative agent under the Term Loan, and the one-month adjusted LIBOR plus 1.00%), in each case plus a margin of 3.00% or 2.00%, respectively. The weighted average interest rates for the Term Loan were 4.0%, 4.0%, 4.0% and 4.2% for the three and nine months ended September 30, 2021 and September 30, 2020, respectively.

    During the nine months ended September 30, 2020, the Company repurchased $636.1 million of the Term Loan before its maturity at a market value of $635.5 million. Consequently, the Company wrote off a proportionate share of debt issuance costs of $12.1 million and recognized a net gain of $11.5 million on the early extinguishment of debt which was included in the condensed consolidated statements of operation.

16

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

    Outstanding borrowings under the Term Loan are guaranteed by Forterra and each of its direct and indirect material wholly-owned domestic subsidiaries except certain excluded subsidiaries (the "Guarantors"). The Term Loan is secured by substantially all of the assets of Forterra, the borrower and the Guarantors; provided that the obligations under the Term Loan are not secured by any liens on more than 65% of the voting stock of foreign subsidiaries or assets of foreign subsidiaries. The Term Loan contains customary representations and warranties, and affirmative and negative covenants, that, among other things, restrict the ability of Forterra and its restricted subsidiaries to incur additional debt, incur or permit liens on assets, make investments and acquisitions, consolidate or merge with any other company, engage in asset sales and pay dividends and make distributions. The Term Loan does not contain any financial covenants. Obligations under the Term Loan may be accelerated upon certain customary events of default (subject to grace periods, as appropriate).

Asset Based Revolving Facility

    On June 17, 2020, the Company entered into a First Amendment (the “Amendment”) to the ABL Credit Agreement. The Amendment, among other things, (i) increased the size of the Revolver from $300.0 million to $350.0 million of aggregate commitments, with up to $330.0 million to be made available to the U.S. Borrowers and up to $20.0 million to be made available to the Canadian Borrowers (the allocation may be modified periodically at the Company's request), (ii) extended the maturity date of the Revolver to June 17, 2025, subject to earlier maturity if greater than $75.0 million of the Company’s Term Loan remains outstanding 91 days prior to the scheduled maturity of the term loan credit facility or any refinancing thereof, and (iii) modified the interest rates on outstanding borrowings under the Revolver to a rate equal to LIBOR or CDOR plus a margin ranging from 1.75% to 2.25% per annum, or an alternate base rate, Canadian prime rate or Canadian base rate plus a margin ranging from 0.75% to 1.25% per annum, in each case, based upon the average excess availability under the Revolver for the most recently completed calendar quarter and the Company’s total leverage ratio as of the end of the most recent fiscal quarter for which financial statements have been delivered. The Company incurred $2.6 million of fees and expenses in connection with this Amendment and recorded it to “Other Long-term Assets” in its condensed consolidated balance sheet. In addition, the Company wrote off $0.4 million of previously deferred issuance cost related to the banks that are no longer part of the ABL Credit Facility.

Subject to the conditions set forth in the ABL Credit Agreement, as amended, the Revolver may be increased by up to the greater of (i) $100.0 million and (ii) such amount as would not cause the aggregate borrowing base to be exceeded by more than $50.0 million. Borrowings under the Revolver may not exceed a borrowing base equal to the sum of (i) 100% of eligible cash, (ii) 85% of eligible accounts receivable and (iii) the lesser of (a) 75% of eligible inventory and (b) 85% of the orderly liquidation value of eligible inventory, with the U.S. and Canadian borrowings being subject to separate borrowing base limitations. The advance rates for accounts receivable and inventory are subject to increase by 2.5% during certain periods. As of September 30, 2021 and December 31, 2020 the Company had no outstanding borrowings, under the Revolver. The weighted average interest rates for the borrowings under the Revolver were 2.75% and 2.0% for the nine months ended September 30, 2021 and September 30, 2020, respectively.

    The Revolver also provides for the issuance of letters of credit of up to an agreed sublimit. The obligations of the borrowers under the Revolver are guaranteed by Forterra and its direct and indirect wholly-owned restricted subsidiaries other than certain excluded subsidiaries; provided that the obligations of the U.S. borrowers are not guaranteed by the Canadian subsidiaries. The Revolver is secured by substantially all of the assets of the borrowers; provided that the obligations of the U.S. borrowers are not secured by any liens on more than 65% of the voting stock of foreign subsidiaries or assets of foreign subsidiaries.

    In addition, Forterra pays a facility fee of between 20.0 and 32.5 basis points per annum based upon the utilization of the total Revolver. Availability under the Revolver, based on draws, outstanding letters of credit of $18.8 million, as well as allowable borrowing base as of September 30, 2021, was $320.0 million.

    The Revolver contains customary representations and warranties, and affirmative and negative covenants, including representations, warranties, and covenants that, among other things, restrict the ability of Forterra and its restricted subsidiaries to incur additional debt, incur or permit liens on assets, make investments

17

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

and acquisitions, consolidate or merge with any other company, engage in asset sales and pay dividends and make distributions. The Revolver contains a financial covenant restricting Forterra from allowing its fixed charge coverage ratio to drop below 1.00:1.00 during a compliance period, which is triggered when the availability under the Revolver falls below a threshold set forth in the ABL Credit Agreement, as amended. Obligations under the Revolver may be accelerated upon certain customary events of default (subject to grace periods, as appropriate). The fixed charge coverage ratio is the ratio of consolidated earnings before interest, depreciation, and amortization (“EBITDA’’) less cash payments for capital expenditures and income taxes to consolidated fixed charges (interest expense plus scheduled payments of principal on indebtedness).

    As of September 30, 2021, the Company was in compliance with all applicable covenants under the Revolver, the Term Loan, and the Notes.

    As of September 30, 2021, scheduled maturities of long-term debt were as follows (in thousands).

	Total		Term Loan		Notes
2021	$	3,128	$	3,128	$	—
2022	12,510		12,510		—
2023	389,847		389,847		—
2024	—		—		—
2025	500,000		—		500,000
	$	905,485	$	405,485	$	500,000

12. Derivatives and hedging

    The Company uses derivatives to manage selected foreign exchange and interest rate exposures. The Company does not use derivative instruments for speculative trading purposes, and cash flows from derivative instruments are included in net cash provided by operating activities in the condensed consolidated statements of cash flows.

    On March 30, 2020, Forterra entered into an interest rate swap transaction with a notional value of $400 million to reduce exposure to interest rate fluctuations associated with a portion of the Term Loan. Under the terms of the swap transaction, Forterra agreed to pay a fixed rate of interest of 1.08% and receive floating rate of interest indexed to one-month LIBOR, subject to a minimum of 1.00%, with monthly settlement terms with the swap counterparty. The swap has a 30-month term and expires on September 30, 2022. The interest rate swap is not designated as a cash flow hedge, therefore all changes in the fair value of the instrument are captured as a component of interest expense in the condensed consolidated statements of operations. Accordingly, cash flows from the monthly interest rate swap settlements are included in net cash provided by (used in) operating activities in the condensed consolidated statements of cash flows.

    On February 9, 2017, Forterra entered into interest rate swap transactions with a combined notional value of $525 million.  Under the terms of the swap transactions, Forterra agreed to pay a fixed rate of interest of 1.52% and receive floating rate interest indexed to one-month LIBOR with monthly settlement terms with the swap counterparties.  The swaps were not designated as cash flow hedges, had a three-year term, and expired on March 31, 2020.

    The Company elects to present all derivative assets and derivative liabilities on a net basis on its condensed consolidated balance sheets when a legally enforceable International Swaps and Derivatives Association, Inc. (“ISDA”) Master Agreement exists. An ISDA Master Agreement is an agreement between two counterparties, which may have multiple derivative transactions with each other governed by such agreement, and such ISDA Master Agreement generally provides for the net settlement of all or a specified group of these derivative transactions, through a single payment, in a single currency, in the event of a default on, or affecting any, one derivative transaction or a termination event affecting all, or a specified group of, derivative transactions.

18

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

At September 30, 2021 and December 31, 2020, the Company’s derivative instruments fall under an ISDA master netting agreement.

    The following table presents the fair values of derivative assets and liabilities in the condensed consolidated balance sheets (in thousands):

	September 30, 2021
	Derivative Assets				Derivative Liabilities
	Notional Amount		Fair Value		Notional Amount		Fair Value
Interest rate swaps	$	—	$	—	$	400,000	$	322
Total derivatives, gross			—				322
Less: Legally enforceable master netting agreements			—				—
Total derivatives, net			$	—			$	322

	December 31, 2020
	Derivative Assets				Derivative Liabilities
	Notional Amount		Fair Value		Notional Amount		Fair Value
Interest rate swaps	$	—	$	—	$	400,000	$	572
Total derivatives, gross			—				572
Less: Legally enforceable master netting agreements			—				—
Total derivatives, net			$	—			$	572

The following table presents the effect of derivative instruments on the condensed consolidated statements of operations (in thousands):

	Three months ended		Nine months ended
	September 30,		September 30,
	2021	2020	2021	2020
Derivatives not designated as hedges
Interest rate swaps
Gain (loss) on derivatives not designated as hedges included in interest expense	46	27	250	(894)

13.    Leases

    The Company leases land and buildings, office spaces, vehicles, machinery and equipment under various lease agreements. A large portion of the Company’s leases were the result of the 2016 sale and leaseback of land and buildings related to certain production facilities. These leases have an initial term of 25 years, followed by one optional renewal term of approximately ten years that may be exercised at the Company’s discretion. These leases, with the exception of certain land leases, are classified as finance leases. The Company’s operating leases are mainly comprised of land and buildings, office spaces, vehicles, machinery and equipment leases, and have remaining terms of one to 25 years, some of which include options to extend the leases for up to 10 years.

    The Company determines if an arrangement is a lease at inception. Leases with an initial term of 12 months or less are not recorded on the balance sheet. Operating leases are included in operating lease right-of-use, or ROU, assets, accrued liabilities, and long-term operating lease liabilities in the condensed consolidated balance sheets. Finance leases are included in property, plant and equipment, accrued liabilities, and long-term finance lease liabilities in the condensed consolidated balance sheets.

19

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

14. Commitments and contingencies

Legal matters

    The Company is involved in legal proceedings and litigation in the ordinary course of business. In the opinion of management, the outcome of such matters will not have a material adverse effect on the Company’s condensed consolidated financial position, results of operations, or liquidity. Other than routine litigation incidental to the Company's business and those matters described below, there are no material legal proceedings to which the Company is a party or to which any of the Company’s properties are subject.

Derivative Action

    On January 15, 2019, a putative shareholder derivative complaint captioned Lee v. Bradley, et al., was filed in the United States District Court for the District of Delaware, naming as defendants certain of the Company’s current and former directors and officers (the "Lee Action"). The complaint alleges the defendants violated Section 14A of the Securities and Exchange Act of 1934, as amended, and related rules by failing to make certain disclosures in the Company's proxy solicitation in advance of the 2017 Annual Meeting of Stockholders, and that defendants breached their fiduciary duties, wasted corporate assets, and committed constructive fraud. The complaint also asserts unjust enrichment claims against certain defendants. The complaint seeks, on behalf of the Company, unspecified damages, an order directing the return of certain payments to the defendants, certain injunctive relief, and reasonable costs and attorneys' fees. After initially staying the case until the court in a prior, unrelated securities class action suit that has now been settled ruled on the motion to dismiss in that case, on December 11, 2019, the court in the Lee Action entered a Stipulation and Order consolidating the Lee Action and another derivative action filed in the same court into a single case (the "Consolidated Lee Action"), and providing a schedule for filing of an amended complaint and motions to dismiss, which has been further extended by agreement of the parties. A mediation of the dispute was held on June 12, 2020 but was not successful in resolving the dispute. Plaintiffs filed an amended complaint in August 2020 and Defendants filed a motion to dismiss the complaint in September 2020, which is now fully briefed and before the court. In light of the Company’s entry into the Merger Agreement, the parties agreed that the action should be stayed pending the completion of the Merger, and the Court entered an order on March 19, 2021 staying the Lee Action until after the completion of the Merger.

    The Company and other defendants are vigorously defending the Consolidated Lee Action. Given the stage of the proceedings, the Company cannot reasonably estimate at this time the possible loss or range of loss, if any, that may arise from the Consolidated Lee Action.

Merger-Related Litigation

On March 24, 2021, Anand Choudhuri, a purported owner of Forterra common stock brought a lawsuit against the Company and each of the members of its Board of Directors in the U.S. District Court for the Southern District of New York (the "Choudhuri Action"). The plaintiff alleges, among other things, that the directors breached their fiduciary duties by entering into the Merger Agreement through an unfair process and for inadequate compensation, and that the Information Statement filed by the Company to explain the Merger to its stockholders (the "Merger Information Statement") omits material information related to the sales process, the Company’s financial projections, and Citigroup Global Markets Inc.’s (“Citi”) analysis of the proposed transaction reflected in the Merger Agreement, in violation of the federal securities laws and seeks to enjoin the Merger and/or damages in an unspecified amount.

On March 31, 2021, Christopher Jones, a purported owner of Forterra common stock brought a lawsuit against the Company and each of the members of its Board of Directors in the U.S. District Court for the District of Colorado (the "Jones Action"). The plaintiff alleges, among other things, that defendants violated federal securities laws by failing to disclose certain information in the Merger Information Statement, the Company’s

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FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

financial projections, and Citi's analysis of the proposed transaction reflected in the Merger Agreement and seeks to enjoin the Merger and/or damages in an unspecified amount.

On April 1, 2021, Adam Franchi, a purported owner of Forterra common stock brought a lawsuit against Forterra and individual members of the Board of Directors in the U.S. District Court for the District of Delaware (the "Franchi Action") (collectively, the Choudhuri Action, the Jones Action and the Franchi Action are the “Merger-Related Litigation”). The plaintiff in the Franchi Action alleges, among other things, that defendants violated federal securities laws by failing to disclose certain information in the Merger Information Statement, the Company’s financial projections, and Citi's analysis of the proposed transaction reflected in the Merger Agreement and seeks to enjoin the Merger and/or damages in an unspecified amount.

The Company filed supplemental disclosures relating to the Merger Information Statement which further explained the proposed transaction that is contemplated by the Merger Agreement. Following the supplemental disclosure filings, in late April 2021 each of the three cases was voluntarily dismissed by the applicable plaintiff, and it is expected that the plaintiffs in these actions may seek compensation for their expenses and attorneys' fees. Given the stage of the proceedings, the Company cannot reasonably estimate at this time the possible loss or range of loss, if any, that may arise from the Merger-Related Litigation.

In addition, certain stockholders have informed the Company that they will seek to exercise their appraisal rights under Delaware law with respect to their shares. No further action has been taken by these stockholders to date.

Long-term Incentive Plan

    Following the original acquisition of the Company's business by affiliates of Lone Star, Lone Star implemented a cash-based long term incentive plan (the “LTIP”) which entitles the participants in the LTIP to a potential cash payout upon a monetization event as defined by the LTIP. Potential monetization events include the sale, transfer or otherwise disposition of all or a portion of the Company or successor entities of LSF9, an initial public offering where Lone Star reduces its ownership interest in the Company or successor entities of LSF9, or through certain cash distribution as defined in the LTIP. Before the payout of any cash the LTIP requires Lone Star realize in cash the full return of their investment plus a specified internal rate of return, which is calculated by comparing the return to Lone Star over the timeline of its investment in the Company and certain successor entities of LSF9. As of September 30, 2021, no such monetization events that meet the required return for an LTIP payment have occurred, and therefore no amounts were accrued in the accompanying condensed consolidated balance sheets. While no payments have occurred thus far, payments under the LTIP could be significant depending upon future monetization events. The timing and amount of such payments are unknown and are dependent upon future monetization events and market conditions that are outside of the control of the Company or the participants of the plan. Subsequent to the IPO, Forterra became directly liable for any payment obligations triggered under the LTIP, but LSF9 or one of its affiliates will remain obligated to make payments to the Company in amounts equal to any payment obligations triggered under the LTIP as and when such payment obligations are triggered. It is expected that if the Merger is completed under the terms of the Merger Agreement, the Merger will constitute a Liquidity Event that will trigger certain payments under the terms of the LTIP.

Leases

    The Company leases certain property and equipment for various periods under non-cancelable operating and finance leases.

Tax receivable agreement

    The Company has a tax receivable agreement (the "TRA") with Lone Star that provides for, among other things, the payment by the Company to Lone Star of 85% of the amount of certain covered tax benefits, which may reduce the actual liability for certain taxes that the Company might otherwise be required to pay. The tax benefits subject to the TRA include: (i) all depreciation and amortization deductions, and any offset to taxable income and gain or increase to taxable loss, resulting from the tax basis that the Company had in its assets as of

21

FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

the time of the consummation of the IPO, (ii) the utilization of the Company's and its subsidiaries’ net operating losses and tax credits, if any, attributable to periods prior to the IPO, (iii) deductions in respect of payments made, funded or reimbursed by an initial party to the tax receivable agreement (other than the Company or one of its subsidiaries) or an affiliate thereof to participants under the LTIP, (iv) deductions in respect of transaction expenses attributable to the acquisition of USP Holdings, Inc. and (v) certain other tax benefits attributable to payments made under the tax receivable agreement.

    For purposes of the TRA, the aggregate reduction in income tax payable by the Company will be computed by comparing the Company's actual income tax liability with its hypothetical liability had it not been able to utilize the related tax benefits. The agreement will remain in effect for the period of time in which any such related tax benefits remain. The Company accounts for potential payments under the TRA as a contingent liability, with amounts accrued when considered probable and reasonably estimable. The liability recorded by the Company for the TRA at September 30, 2021 and December 31, 2020 was $64.2 million and $64.2 million, respectively. The timing and amount of future tax benefits associated with the TRA are subject to change, and additional payments may be required which could be materially different from the current accrued liability. The Company anticipates that it will have sufficient taxable income in future periods to realize the full value of the obligation recorded. Future tax receivable agreement payments related to the tax basis of assets at the time of the IPO will be recorded as a reduction to the liability and will be recorded as a financing activity in the consolidated statement of cash flows. During the nine months ended September 30, 2021, the Company made no payments on the TRA to Lone Star. It is expected that if the Merger is completed under the terms of the Merger Agreement, payments to Lone Star will continue to be made by the surviving entity under the Merger Agreement according to the terms of the TRA.

15. Earnings per share

    Basic earnings per share (“EPS”) is calculated by dividing net earnings by the weighted average number of shares of common stock outstanding during the period. Potentially dilutive securities include employee stock options and shares of restricted stock. Diluted EPS reflects the assumed exercise, vesting or conversion of all dilutive securities.

    The calculations of the basic and diluted EPS for the three and nine months ended September 30, 2021 and 2020 are presented below (in thousands, except per share amounts):

	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
Net income	$	35,768	$	28,827	$	90,509	$	41,876
Less: Earnings allocated to unvested restricted stock awards	—		16		—		34
Earnings available to common shareholders	$	35,768	$	28,811	$	90,509	$	41,842
Common stock:
Weighted average basic shares outstanding	66,936		65,336		66,621		65,078
Effect of dilutive securities	2,825		3,381		2,949		2,800
Weighted average diluted shares outstanding	69,761		68,717		69,570		67,878
Basic earnings per share:
Net income	$	0.53	$	0.44	$	1.36	$	0.64
Diluted earnings per share:
Net income	$	0.51	$	0.42	$	1.30	$	0.62

    The number of stock options and restricted shares that were excluded from the computation of diluted

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FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

earnings per share because their inclusion would result in an anti-dilutive effect on per share amounts for the three months ended September 30, 2021 and September 30, 2020 and the nine months ended September 30, 2021 and September 30, 2020 were none, 210,077, 102 and 221,040, respectively.

16. Income taxes

    The Company recorded income tax expense of $13.7 million and $30.3 million for the three and nine months ended September 30, 2021, and $9.9 million and $17.5 million for the three and nine months ended September 30, 2020.

    The income tax expense for the three months ended September 30, 2021 was calculated in accordance with FASB ASC 740 "Income Taxes" principles. The income tax expense for the three months ended September 30, 2021 differs from the expense computed at the federal statutory rate primarily due to the current period state income tax expense recorded in the period.

The income tax expense for the nine months ended September 30, 2021 differs from the expense computed at the federal statutory rate primarily due to the current period state and foreign income tax expense on the current earnings, partially offset by the current period benefit related to equity compensation recorded during the period.

    The income tax expense for the three months ended September 30, 2020 differs from the expense computed at the federal statutory rate primarily due to the movement of the valuation allowance recorded in the quarter and state income tax expense.

The income tax expense for the nine months ended September 30, 2020 differs from the expense computed at the federal statutory rate primarily due to the movement of the valuation allowance recorded in the period and state income tax expense.

    On March 27, 2020, the U.S. government enacted the Coronavirus Aid, Relief, and Economic Security Act ("CARES Act"), as well as issued other final regulations during 2020. The Company has considered the favorable impact of the released final regulations in the preparation of the condensed consolidated financial statements. On March 11, 2021, the U.S. government enacted the COVID-19 Stimulus Package called the American Rescue Plan Act of 2021 (“ARPA”). There are no material provisions that impacted the Company’s condensed consolidated financial statements.

17. Segment reporting

    Segment information is presented in accordance with FASB ASC 280, Segment Reporting, which establishes standards for reporting information about operating segments. It also establishes standards for related disclosures about products and geographic areas. Operating segments are defined as components of an enterprise that engage in business activities that earn revenues, incur expenses and prepare separate financial information that is evaluated regularly by the Company’s chief operating decision maker (“CODM”) in order to allocate resources and assess performance. The Company's Chief Executive Officer is its CODM. The Corporate and Other segment includes expenses related to certain executive salaries, interest costs related to the Company's credit agreements, acquisition-related costs, and other corporate costs that are not directly attributable to the Company's operating segments. The Company's segments follow the same accounting policies as the Company. During the year ended December 31, 2020, the Company moved its concrete and steel pressure pipe business from the Water Pipe & Products segment to the Drainage Pipe & Products segment to better align with how the CODM manages the businesses. The prior year period has been updated to conform with the re-segmentation, which resulted in an immaterial impact to the prior periods' segment information.

    Net sales from the major products sold to external customers include drainage pipe and precast products and concrete and steel water transmission pipe.

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FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

    The Company’s three geographic areas consist of the United States, Canada, and Mexico for which it reports net sales, fixed assets and total assets. For purposes of evaluating segment profit, the CODM reviews EBITDA as a basis for making the decisions to allocate resources and assess performance.

    The following tables set forth the disaggregation of revenue earned from contracts with customers based on the Company's reportable segments as well as other financial information attributable to the Company's reportable segments for the three and nine months ended September 30, 2021 and 2020 (in thousands):

	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
Net sales:
Drainage Pipe & Products	$	299,423	$	261,139	$	749,774	$	676,471
Water Pipe & Products	227,217		196,418		637,780		538,148
Corporate and Other	—		—		—		—
Total	$	526,640	$	457,557	$	1,387,554	$	1,214,619
Depreciation and amortization:
Drainage Pipe & Products	$	7,905	$	8,361	$	23,167	$	25,263
Water Pipe & Products	12,091		13,403		36,558		40,418
Corporate and Other	811		599		2,097		1,589
Total	$	20,807	$	22,363	$	61,822	$	67,270
Segment EBITDA and reconciliation to income (loss) before income taxes:
Drainage Pipe & Products	$	75,609	$	66,797	$	186,066	$	147,859
Water Pipe & Products	31,958		44,978		112,352		109,973
Corporate and Other	(18,290)		(30,606)		(59,401)		(70,727)
Less: Interest expense	(19,001)		(20,055)		(56,421)		(60,502)
Depreciation and amortization	(20,807)		(22,363)		(61,822)		(67,270)
Income before income taxes	$	49,469	$	38,751	$	120,774	$	59,333
Capital expenditures:
Drainage Pipe & Products	$	11,041	$	4,513	$	28,845	$	9,910
Water Pipe & Products	6,441		3,730		11,655		6,853
Corporate and Other	175		195		3,098		557
Total	$	17,657	$	8,438	$	43,598	$	17,320
					September 30,		December 31,
					2021		2020
Total assets:
Drainage Pipe & Products					$	919,601	$	819,046
Water Pipe & Products					823,703		795,292
Corporate and Other					37,571		41,474
Total					$	1,780,875	$	1,655,812

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FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

The Company has an investment in an equity method investee included in the Drainage Pipe & Products segment for which earnings from equity method investee were $3.3 million, $9.5 million, $2.3 million and $8.2 million for the three and nine months ended September 30, 2021 and September 30, 2020, respectively, and with the following balances (in thousands):

	September 30,		December 31,
	2021		2020
Investment in equity method investee	$	48,783	$	48,285

    Disaggregated revenue by geographic location is provided in the tables below. The Company has operations in the United States, Canada and Mexico. The economic characteristics of the Company's customers do not significantly vary across geographic locations or product lines. The Company has both revenues and long-lived assets in each country; and those assets and revenues are recorded within geographic location as follows (in thousands):

Property, plant, and equipment, net:	September 30,		December 31,
	2021		2020
United States	$	405,734	$	409,338
Canada	37,256		33,250
Mexico	8,150		8,494
	$	451,140	$	451,082

Net sales:	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
United States	$	496,391	$	432,085	$	1,308,312	$	1,155,229
Canada	26,802		23,098		69,692		52,906
Mexico	3,447		2,374		9,550		6,484
	$	526,640	$	457,557	$	1,387,554	$	1,214,619

18. Related party transactions

Tax receivable agreement

    The Company has a TRA with Lone Star that provides for, among other things, the payment by the Company to Lone Star of 85% of the amount of certain covered tax benefits, which may reduce the actual liability for certain taxes that the Company might otherwise be required to pay. See Note 14, Commitments and contingencies, for additional information on the tax receivable agreement.

CP&P

    The Company sold certain goods and services to its joint venture, CP&P, including spare parts for repairs, and property rentals. For the nine months ended September 30, 2021, Forterra sold $0.8 million of product to CP&P and purchased goods and services from CP&P for an amount of $0.3 million. For the nine months ended September 30, 2020, Forterra sold $1.2 million of product to CP&P and purchased $0.8 million of goods and services from CP&P.

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FORTERRA, INC.

Notes to Unaudited Condensed Consolidated Financial Statements

Master Builders Solutions US, LLC

    For the nine months ended September 30, 2021, Forterra purchased goods from Master Builders Solutions US, LLC, an affiliate of Lone Star, for an amount of $0.7 million.

CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING STATEMENTS

    This Quarterly Report on Form 10-Q contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements relate to matters such as our industry, business strategy, goals and expectations concerning our market position, future operations, margins, profitability, capital expenditures, liquidity, capital resources and other financial and operating information. We have used the words “approximately,” “anticipate,” “assume,” “believe,” “contemplate,” “continue,” “could,” “estimate,” “expect,” “future,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “seek,” “should,” “target,” “will” and similar terms and phrases to identify forward-looking statements. All of our forward-looking statements, including those related to our pending acquisition by Quikrete Holdings, Inc., or the Merger, are subject to risks and uncertainties that may cause actual results to differ materially from those that we are expecting, including:

•the impact of the COVID-19 pandemic on the economy, demand for our products and our business, financial condition and results of operations, including the measures taken by governmental authorities in response;

•government funding of infrastructure and related construction activities;

•the level of construction activity, particularly in the residential construction and non-residential construction markets;

•the highly competitive nature of our industry and our ability to effectively compete;

•the availability and price of the raw materials we use in our business;

•our dependence on key customers and the absence of long-term agreements with these customers;

•the level of construction activity in Texas;

•disruption at one or more of our manufacturing facilities or in our supply chain;

•construction project delays and our inventory management;

•the seasonality of our business and its susceptibility to adverse weather;

•our ability to successfully integrate acquisitions;

•labor disruptions and other union activity;

•compliance with applicable regulations;

•a tightening of mortgage lending or mortgage financing requirements;

•the ability to implement our growth strategy;

•compliance with environmental laws and regulations;

•energy costs;

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•changes in tax laws could adversely affect us;

•compliance with health and safety laws and regulations;

•our dependence on key executives and key management personnel;

•our ability and that of our customers with which we work to retain and attract additional skilled and non-skilled technical or sales personnel;

•credit and non-payment risks of our customers;

•warranty and related claims;

•legal and regulatory claims;

•our contract backlog;

•our ability to maintain sufficient liquidity and ensure adequate financing or guarantees for large projects;

•delays or outages in our information technology systems and computer networks;

•security breaches in our information technology systems and other cybersecurity incidents;

•risks associated with merger transactions generally, such as the inability to obtain, or delays in obtaining, required approvals under applicable anti-trust legislation and other regulatory and third party consents and approvals;

•the failure to consummate or delay in consummating the Merger for other reasons;

•the risk that a condition to closing of the Merger may not be satisfied;

•the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement;

•the outcome of any legal proceedings related to the Merger;

•failure of Quikrete Holdings, Inc. to obtain the financing required to consummate the Merger;

•failure to retain our key management and employees;

•unfavorable reaction to the Merger by customers, competitors, suppliers and employees; and

•additional factors discussed in our filings with the Securities and Exchange Commission, or the SEC.

The forward-looking statements contained in this Quarterly Report on Form 10-Q are based on historical performance and management’s current plans, estimates and expectations in light of information currently available to us and are subject to uncertainty and changes in circumstances. There can be no assurance that future developments affecting us will be those that we have anticipated. Actual results may differ materially from these expectations due to changes in global, regional or local political, economic, business, competitive, market, regulatory and other factors, many of which are beyond our control, as well as the other factors described in Item 1A, “Risk Factors” in our 2020 10-K filed with the SEC on February 25, 2021. The COVID-19 pandemic may also precipitate or exacerbate these and other unknown risks and uncertainties. Additional factors or events that could cause our actual results to differ may also emerge from time to time, and it is not

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possible for us to predict all of them. Should one or more of these risks or uncertainties materialize or should any of our assumptions prove to be incorrect, our actual results may vary in material respects from what we may have expressed or implied by these forward-looking statements. We caution that you should not place undue reliance on any of our forward-looking statements. Any forward-looking statement made by us speaks only as of the date on which we make it. We undertake no obligation to publicly update any forward-looking statement, whether as a result of new information, future developments or otherwise, except as may be required by applicable securities laws.

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations
 

    The following discussion and analysis should be read in conjunction with our Annual Report on Form 10-K for the fiscal year ended December 31, 2020 filed with the SEC on February 25, 2021, or the 2020 10-K.

    This discussion and analysis contains forward-looking statements that involve risks, uncertainties and assumptions. See the section entitled “Cautionary Statement Concerning Forward-Looking Statements” for a discussion of the risks, uncertainties and assumptions associated with those statements.

    Unless otherwise specified or where the context otherwise requires, references in this Report to “our,” “we,” “us,” “Forterra”, the “Company” and “our business” refer to Forterra, Inc., together with its consolidated subsidiaries.

Overview

Our Company

    We are a manufacturer of ductile iron pipe and concrete pipe and precast products in the United States and Eastern Canada for a variety of essential water-related infrastructure applications. We provide critical infrastructure components for a broad spectrum of construction projects across infrastructure, residential and non-residential markets. Our suite of products ranges from large diameter pipe that transports water to and from treatment centers and manages drainage along major transportation corridors, to smaller diameter pipe that delivers potable water to, and removes wastewater from, end users in residential and commercial settings.

Our Segments

    Our operations are organized into the following reportable segments:

•Drainage Pipe & Products - We are a producer of concrete drainage pipe and precast products.

•Water Pipe & Products - We are a producer of ductile iron pipe, or DIP.

•Corporate and Other - Corporate, general and administrative expenses not allocated to our revenue-generating segments such as certain shared services, executive and other administrative functions.

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COVID-19 Pandemic

During March 2020, a global pandemic was declared by the World Health Organization and a National Emergency was declared by the President of the United States related to the rapidly growing outbreak of COVID-19. The pandemic has significantly impacted economic conditions in the United States, as federal, state, and local governments reacted to the public health crisis, creating significant uncertainties in the United States, as well as the global economy. In the interest of public health and safety, U.S. jurisdictions (national, state, and local) where our primary operations and those of many of our customers are located required mandatory business closures, capacity limitations, or other restrictions for those permitted to continue to operate or allowed to reopen since the initial shut-downs in March 2020. Despite these events and the related uncertainty, we continued to operate as an essential business under the government orders, and the COVID-19 pandemic has not materially and adversely affected our liquidity, financial results or business operations thus far. We did, however, utilize the option under the CARES Act to defer the employer portion of the social security taxes that would otherwise have been due in 2020, which was delayed with 50%, or approximately $5.5 million, paid in September 2021 and the remaining 50% due by December 31, 2022.

Although our revenues have increased for the three and nine months ended September 30, 2021, as compared to the prior year periods, the situation is still rapidly changing and additional impacts to the business may arise that we are not aware of or may not anticipate currently, which could have an adverse impact on revenues, results of operations, and cash flows for the fourth quarter and full 2021 fiscal year and into 2022. We cannot predict whether, when, or the manner in which the conditions surrounding COVID-19 will change, including the ultimate duration and scope of the pandemic; the severity of the virus, including the emergence and spread of new variants; the impact of the COVID-19 vaccines, including the speed at which they are disseminated, the rate at which individuals choose to receive the vaccine (including our team members) and their continued effectiveness against the disease or new variants; the actions taken by governments to contain the virus or treat its impact; and how quickly and to what extent normal economic and operating conditions can resume. Due to the evolving situation, our business and future results of our operations could be impacted in ways that we are not able to predict currently. In addition, there is still considerable uncertainty in the U.S. economy, as well as the industry we are in, in particular due to the uncertainty of future funding of and demand in our infrastructure and municipal end-markets, as well as challenges to the availability of raw materials used in our products due to strains on global supply chains and significantly increased costs of raw materials we purchase and the labor we employ.

Quikrete Merger Agreement

On February 19, 2021, we entered into an Agreement and Plan of Merger, or the Merger Agreement, with Quikrete Holdings, Inc. and one of its wholly-owned subsidiaries. Pursuant to the Merger Agreement, subject to the satisfaction or waiver of specified conditions, Quikrete’s subsidiary will merge with and into the Company, with the Company surviving the Merger as a wholly-owned subsidiary of Quikrete. At the effective time of the Merger, subject to limited exceptions, each issued and outstanding share of Forterra common stock will be automatically canceled and converted into the right to receive $24.00 in cash, without interest, subject to deduction for any required withholding tax. Outstanding Company equity awards will be converted into Merger consideration as provided for in the Merger Agreement. We incurred transaction costs of approximately $4.1 million and $8.0 million for the three and nine months ended September 30, 2021, respectively, in connection with the Merger.

See Note 3, Mergers and dispositions, to the condensed consolidated financial statements and Item 7, Management's Discussion and Analysis in the 2020 10-K for a more fulsome description of the Merger, the Merger Agreement and its terms and expected impact on our business.

Barbour Concrete Acquisition

On July 1, 2021, we acquired the business of Barbour Concrete Company & Barbour Building Systems ("Barbour"), a manufacturer of precast concrete products used in drainage, stormwater, utility and other infrastructure applications. Based in Independence, Missouri, Barbour primarily serves the greater Kansas City metropolitan area. We expect to continue operating the business as Barbour Concrete & Barbour Building

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Systems for the foreseeable future and believe this acquisition will gain access to new opportunities for growth in the strong and expanding Kansas City infrastructure and residential markets.

Principal Factors Affecting Our Results of Operations

    Our financial performance and results of operations are influenced by a variety of factors, including conditions in the residential, non-residential and infrastructure construction markets, general economic conditions, availability of and significant inflation in the cost of raw materials and transportation, availability and cost of labor, seasonality and weather conditions. In addition to the Merger and the items discussed below, some of these other more important factors are discussed in the 2020 10-K, to which there were no material changes during the period covered by this report, except as discussed below.

During 2021, prices for certain of our raw material costs, including costs for scrap metal, steel, cement, as well as other key materials needed in smaller amounts to produce and sell our products, such as coke, nitrogen gas, rubber gaskets, and magnesium ferrosilicon, which have historically fluctuated depending on, among other things, overall market supply and demand and general business conditions, were negatively impacted by both global and industry-wide supply chain disruptions, resulting in increases to our costs of goods sold and disruption in supply for some materials in certain of our areas. We have also experienced rising costs in transportation, which is included as part of our delivered pricing to customers. In addition, we have experienced rising costs and difficulty in obtaining labor across many of our facilities. In response, we have implemented a combination of price increases and productivity initiatives aimed at mitigating the impact of these events and other inflationary pressures. We expect these macroeconomic inflationary pressures and supply chain disruptions will continue to impact our cost of goods sold for the remainder of fiscal 2021 and that the combination of our price increases and productivity initiatives will mitigate these costs later in the year. See Item 1A. Risk Factors in the 2020 10-K regarding specific risks on supply chain and labor disruptions.

Principal Components of Results of Operations

Net Sales

    Net sales consist of the consideration which we expect to be entitled to for the sale of products in the ordinary course of business and include the billable costs of delivery of our products to customers. Net sales include any outbound freight charged to the end user. Revenue for certain contracts related to our structural precast products that are designed and engineered specifically for the customer is recognized over time using an acceptable input method which utilizes our cost incurred to date relative to total estimated costs at completion to measure progress.

Cost of Goods Sold

    Cost of goods sold includes raw materials (cement, aggregates, scrap, steel and clay) and supplies, labor (including contract labor), freight (including outbound freight for delivery of products to end users and other charges such as inbound freight), energy, depreciation and amortization, repairs and maintenance and other cost of goods sold.

Selling, General and Administrative Expenses

    Selling, general and administrative expenses include expenses for sales, marketing, legal, accounting and finance services, human resources, customer support, treasury and other general corporate services. Selling, general and administrative expenses also include transaction costs directly related to the Merger and any other business combinations or disposition and other costs incurred with respect to cost savings initiatives.

Impairment and Exit Charges

    Impairment and exit charges are primarily comprised of severance and other charges incurred to consolidate certain plants in an effort to optimize our portfolio, as well as asset impairment charges.

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Other Operating Income, Net

    The remaining categories of operating income and expenses consist of scrap income (associated with scrap from the manufacturing process or remaining scrap after plants are closed), insurance gains, rental income and the gain or loss generated on the sale of assets including property, plant and equipment.

Interest Expense

    Interest expense represents interest on indebtedness, including finance lease obligations, the amortization of deferred financing costs, as well as the gain and loss associated with our interest rate swaps.

Earnings from Equity Method Investee

    Earnings from equity method investee represents our share of the income of the CP&P joint venture. CP&P is engaged primarily in the manufacture, marketing, sale and distribution of concrete pipe and precast products in Virginia, West Virginia, Maryland, North Carolina, Pennsylvania and South Carolina with sales to contiguous states. See Note 6, Investment in Equity Method Investee, to the condensed consolidated financial statements for additional information on CP&P.

Income Tax Expense

    Income tax expense consists of federal, state, provincial, local and foreign taxes based on income in the jurisdictions in which we operate.

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Results of Operations

Three Months Ended September 30, 2021 as Compared to Three Months Ended September 30, 2020

Total Company

The following table summarizes certain financial information relating to our operating results for the three months ended September 30, 2021 and September 30, 2020 (in thousands).

Statements of Income Data:	Three months ended September 30, 2021		Three months ended September 30, 2020		% Change
Net sales	$	526,640	$	457,557	15.1	%
Cost of goods sold	410,072		331,284		23.8	%
Gross profit	116,568		126,273		(7.7)	%
Selling, general and administrative expenses	(51,830)		(57,050)		(9.1)	%
Impairment and exit charges	(19)		(1,389)		(98.6)	%
Other operating income, net	414		224		84.8	%
	(51,435)		(58,215)		(11.6)	%
Income from operations	65,133		68,058		(4.3)	%
Other income (expenses)
Interest expense	(19,001)		(20,055)		(5.3)	%
Loss on extinguishment of debt	—		(11,547)		*
Earnings from equity method investee	3,337		2,295		45.4	%
Income before income taxes	49,469		38,751		27.7	%
Income tax expense	(13,701)		(9,924)		38.1	%
Net income	$	35,768	$	28,827	24.1	%

* Represents positive or negative change in excess of 100%

Net Sales

Net sales for the three months ended September 30, 2021 were $526.6 million, an increase of $69.0 million, or 15.1%, from $457.6 million in the three months ended September 30, 2020. The increase in sales was the combination of $38.3 million increase in the Drainage Pipe & Products segment compared to prior year primarily due to higher shipment volumes, and a $30.8 million increase in the Water Pipe & Products segment driven by both higher average selling prices and higher shipment volumes.

Cost of Goods Sold

    Cost of goods sold were $410.1 million for the three months ended September 30, 2021, an increase of $78.8 million, or 23.8%, from $331.3 million in the three months ended September 30, 2020. The increase in cost of goods sold was the combination of a $48.4 million increase in the Water Pipe & Products segment and a $30.4 million increase in the Drainage Pipe & Products segment compared to prior year. These increases were primarily driven by higher shipment volumes, coupled with higher raw material costs in both segments.

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Gross Profit

    Gross profit was $116.6 million for the three months ended September 30, 2021, a decrease of $9.7 million, or 7.7%, from $126.3 million in the three months ended September 30, 2020. The decrease was the net effect of a $17.6 million decrease in the Water Pipe & Products segment primarily due to higher raw material costs, offset by a $7.9 million increase in the Drainage Pipe & Products segment primarily due to higher shipment volumes.

Selling, General and Administrative Expenses    

    Selling, general and administrative expenses were $51.8 million for the three months ended September 30, 2021, a decrease of $5.3 million, or 9.1%, from $57.1 million in the three months ended September 30, 2020. During the third quarter of 2020, we recorded a non-recurring legal accrual which caused most of the higher selling, general and administrative expenses in the prior year period.

Interest Expense

    Interest expense for the three months ended September 30, 2021 was $19.0 million, a decrease of $1.1 million or 5.3% from $20.1 million in the three months ended September 30, 2020. The decrease in interest expense was primarily due to lower outstanding debt balances in the three months ended September 30, 2021 compared to prior year.

Income Tax Expense

    Income tax expense in the three months ended September 30, 2021 was $13.7 million, an increase of $3.8 million from $9.9 million in the three months ended September 30, 2020. The change is primarily due to the higher federal tax expense based on the greater pretax income during the three months ended September 30, 2021 and releases to the federal and state valuation allowance during the period ended September 30, 2020 that did not reoccur in 2021.

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Segments

	For the three months ended September 30,
(in thousands)	2021		2020(2)		% Change
Net sales:
Drainage Pipe & Products	$	299,423	$	261,139	14.7	%
Water Pipe & Products	227,217		196,418		15.7	%
Corporate and Other	—		—		*
Total	$	526,640	$	457,557	15.1	%
Gross profit (loss):
Drainage Pipe & Products	81,597		73,698		10.7	%
Water Pipe & Products	35,014		52,580		(33.4)	%
Corporate and Other	(43)		(5)		*
Total	$	116,568	$	126,273	(7.7)	%
Segment EBITDA(1):
Drainage Pipe & Products	75,609		66,797		13.2	%
Water Pipe & Products	31,958		44,978		(28.9)	%
Corporate and Other	(18,290)		(30,606)		(40.2)	%

Key Operational Statistics	% Change
Drainage Pipe & Products(3)
Shipment Volumes	+16%
Average Selling Prices	+2%
Water Pipe & Products(4)
Shipment Volumes	+5%
Average Selling Prices	+10%

(1)     For the purposes of evaluating segment performance, the Company’s chief operating decision maker reviews earnings before interest, taxes, depreciation and amortization (“EBITDA”) as a basis for making the decisions to allocate resources and assess performance. Our discussion below includes the primary drivers of EBITDA. See Note 17, Segment Reporting, to the condensed consolidated financial statements for segment EBITDA reconciliation to income (loss) before income taxes.

(2)     During the fourth quarter of 2020, we reclassified the pressure pipe business from Water segment to Drainage segment to better align with our organizational structure. The US and Canadian Pressure Pipe businesses were formerly managed by the Water segment management team, however Forterra changed its internal management structure to include the remaining Canadian Pressure Pipe plant under the same management team that oversees the Canadian Pipe & Precast operations. As a result, historical segment data were updated to reflect the current segment compositions.

(3)     Operational statistics only pertain to pipe and precast products and do not include other services, non-volume-based products, or non-core products. Pipe and precast products revenue accounted for more than 85% of Drainage segment revenue.

(4)     Operational statistics only pertain to ductile iron pipe products and do not include other services, non-volume-based products, or non-core products. Ductile iron pipe products revenue accounted for more than 85% of Water segment revenue.

*    Represents positive or negative change in excess of 100%.

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Drainage Pipe & Products

Net Sales

Net sales in the three months ended September 30, 2021 were $299.4 million, an increase of $38.3 million, or 14.7%, compared to $261.1 million in the three months ended September 30, 2020. The increase was primarily due to higher shipment volumes of our pipe and precast products while average selling prices remain relatively flat. Pipe and precast products sales accounted for about 90% of Drainage Pipe & Products segment net sales.

Gross Profit

    Gross profit in the three months ended September 30, 2021 was $81.6 million, an increase of $7.9 million or 10.7% from $73.7 million in the three months ended September 30, 2020. The increase was primarily due to higher shipment volumes.

Water Pipe & Products

Net Sales

    Net sales in the three months ended September 30, 2021 was $227.2 million, an increase of $30.8 million or 15.7% from $196.4 million in the three months ended September 30, 2020. The increase was primarily the combination of a $17.3 million increase driven by higher shipment volumes of our ductile iron pipe products and a $8.2 million increase related to higher average selling prices of our ductile iron pipe products. Ductile iron pipe sales accounted for more than 85% of Water Pipe & Products segment net sales.

Gross Profit

    Gross profit in the three months ended September 30, 2021 was $35.0 million, a decrease of $17.6 million, or 33.4% from $52.6 million in the three months ended September 30, 2020. The decrease was primarily due to higher raw material costs, partially offset by higher shipment volumes and higher average selling prices.

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Nine Months Ended September 30, 2021 as Compared to Nine Months Ended September 30, 2020

Total Company

    The following table summarizes certain financial information relating to our operating results for the nine months ended September 30, 2021 and September 30, 2020 (in thousands).

Statements of Income Data:	Nine months ended September 30, 2021		Nine months ended September 30, 2020		% Change
Net sales	$	1,387,554	$	1,214,619	14.2	%
Cost of goods sold	1,069,150		924,025		15.7	%
Gross profit	318,404		290,594		9.6	%
Selling, general and administrative expenses	(163,131)		(164,573)		(0.9)	%
Impairment and exit charges	(493)		(2,478)		(80.1)	%
Other operating income, net	12,917		(447)		*
	(150,707)		(167,498)		(10.0)	%
Income from operations	167,697		123,096		36.2	%
Other income (expenses)
Interest expense	(56,421)		(60,502)		(6.7)	%
Loss on extinguishment of debt	—		(11,481)		*
Earnings from equity method investee	9,498		8,220		15.5	%
Income before income taxes	120,774		59,333		*
Income tax expense	(30,265)		(17,457)		73.4	%
Net income	$	90,509	$	41,876	*

* Represents positive or negative change in excess of 100%

Net Sales

    Net sales for the nine months ended September 30, 2021 were $1,387.6 million, an increase of $173.0 million, or 14.2%, from $1,214.6 million in the nine months ended September 30, 2020. The increase in sales was the combination of a $99.6 million increase in the Water Pipe & Products segment primarily driven by both higher shipment volumes and higher average selling prices, and a $73.3 million increase in the Drainage Pipe & Products segment compared to prior year, primarily due to higher shipment volumes.

Cost of Goods Sold

    Cost of goods sold were $1,069.2 million for the nine months ended September 30, 2021, an increase of $145.2 million, or 15.7%, from $924.0 million in the nine months ended September 30, 2020. The increase in cost of goods sold was the combination of a $100.4 million increase in the Water Pipe & Products segment primarily

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driven by both higher shipment volumes and higher production and delivery costs, and a $44.8 million increase in the Drainage Pipe & Products segment compared to prior year, primarily due to higher shipment volumes.

Gross Profit

    Gross profit was $318.4 million for the nine months ended September 30, 2021, an increase of $27.8 million, or 9.6%, from $290.6 million in the nine months ended September 30, 2020. The increase was the net impact of a $28.5 million increase in the Drainage Pipe & Products segment primarily due to higher shipment volumes, partially offset by a $0.7 million decrease in the Water Pipe & Products segment due to higher production and delivery costs, partially offset by higher average selling prices.

Selling, General and Administrative Expenses    

    Selling, general and administrative expenses were $163.1 million for the nine months ended September 30, 2021, a slight decrease of $1.5 million, or 0.9%, from $164.6 million in the nine months ended September 30, 2020. The slight decrease was primarily due to a non-recurring legal accrual recorded in the prior year, partially offset by higher staff costs.

Other Operating Income, Net

    Other operating income in the nine months ended September 30, 2021 was $12.9 million, an increase of $13.4 million, from an other operating loss of $0.4 million in the nine months ended September 30, 2020. The increase in 2021 was primarily driven by $10.3 million net gains on asset sales as we continue optimizing our asset portfolio and disposing of idle properties.

Interest Expense

    Interest expense for the nine months ended September 30, 2021 was $56.4 million, a decrease of $4.1 million or 6.7% from $60.5 million in the nine months ended September 30, 2020. The decrease in interest expenses was the net effect of a $9.0 million decrease primarily due to both lower LIBOR and lower outstanding debt balances in the nine months ended September 30, 2021 compared to prior year; a $0.8 million decrease in loss on derivatives related to our interest rate hedge; the absence of a $0.7 million write-off of deferred debt issuance cost that was recorded in last year but did not recur in current year; partially offset by $6.7 million incremental interest expense from the $500 million senior secured notes at a higher rate as compared to the debt it was used to retire in July 2020.

Income Tax Expense

    Income tax expense in the nine months ended September 30, 2021 was $30.3 million, an increase of $12.8 million from $17.5 million in the nine months ended September 30, 2020. The change is primarily due to the higher federal and state tax expense based on the greater pretax income during the nine months ended September 30, 2021, partially offset by the valuation allowance movement in 2020 that did not reoccur in 2021 and the current period benefit related to equity compensation.

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Segments

	For the nine months ended September 30,
(in thousands)	2021		2020(2)		% Change
Net sales:
Drainage Pipe & Products	$	749,774	$	676,471	10.8	%
Water Pipe & Products	637,780		538,148		18.5	%
Corporate and Other	—		—		*
Total	$	1,387,554	$	1,214,619	14.2	%
Gross profit (loss):
Drainage Pipe & Products	194,907		166,354		17.2	%
Water Pipe & Products	123,550		124,217		(0.5)	%
Corporate and Other	(53)		23		*
Total	$	318,404	$	290,594	9.6	%
Segment EBITDA(1):
Drainage Pipe & Products	186,066		147,859		25.8	%
Water Pipe & Products	112,352		109,973		2.2	%
Corporate and Other	(59,401)		(70,727)		(16.0)	%

Key Operational Statistics	% Change
Drainage Pipe & Products (3)
Shipment Volumes	+13%
Average Selling Prices	+1%
Water Pipe & Products (4)
Shipment Volumes	+10%
Average Selling Prices	+9%

(1)     For the purposes of evaluating segment performance, the Company’s chief operating decision maker reviews earnings before interest, taxes, depreciation and amortization (“EBITDA”) as a basis for making the decisions to allocate resources and assess performance. Our discussion below includes the primary drivers of EBITDA. See Note 17, Segment Reporting, to the condensed consolidated financial statements for segment EBITDA reconciliation to income (loss) before income taxes.

(2)     During the fourth quarter of 2020, we reclassified the pressure pipe business from Water segment to Drainage segment to better align with our organizational structure. The US and Canadian Pressure Pipe businesses were formerly managed by the Water segment management team, however Forterra changed its internal management structure to include the remaining Canadian Pressure Pipe plant under the same management team that oversees the Canadian Pipe & Precast operations. As a result, historical segment data were updated to reflect the current segment compositions.

(3)     Operational statistics only pertain to pipe and precast products and do not include other services, non-volume-based products, or non-core products. Pipe and precast products revenue accounted for more than 85% of Drainage segment revenue.

(4)     Operational statistics only pertain to ductile iron pipe products and do not include other services, non-volume-based products, or non-core products. Ductile iron pipe products revenue accounted for more than 85% of Water segment revenue.

*    Represents positive or negative change in excess of 100%.

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Drainage Pipe & Products

Net Sales

Net sales in the nine months ended September 30, 2021 were $749.8 million, an increase of $73.3 million, or 10.8%, compared to $676.5 million in the nine months ended September 30, 2020. The increase was mostly driven by higher shipment volumes while average selling prices remained relatively flat.

Gross Profit

    Gross profit in the nine months ended September 30, 2021 was $194.9 million, an increase of $28.5 million or 17.2% from $166.4 million in the nine months ended September 30, 2020. The increase was primarily due to higher shipment volumes.

Water Pipe & Products

Net Sales

    Net sales in the nine months ended September 30, 2021 was $637.8 million, an increase of $99.7 million or 18.5% from $538.1 million in the nine months ended September 30, 2020. The increase was primarily the combination of a $46.1 million increase related to higher average selling prices of our ductile iron pipe products and a $43.1 million increase driven by higher shipment volumes of our ductile iron pipe products. Ductile iron pipe sales accounted for more than 85% of Water Pipe & Products segment net sales.

Gross Profit

    Gross profit in the nine months ended September 30, 2021 was $123.5 million, a decrease of $0.7 million, or 0.5% from $124.2 million in the nine months ended September 30, 2020. The decrease was primarily due to higher production and delivery costs, partially offset by higher shipment volumes and higher average selling prices.

Liquidity and Capital Resources

    Our available cash and cash equivalents, borrowing availability under our $350.0 million Revolver, and funds generated from operations are our most significant sources of liquidity. While we believe these sources will be sufficient to finance our working capital requirements, planned capital expenditures that are essential, debt service obligations and other cash requirements for at least the next 12 months, our future liquidity will depend in part upon our operating performance, which will be affected by prevailing economic conditions, including those related to the COVID-19 pandemic, and financial, business and other factors, some of which are beyond our control. See Item 1A, Risk Factors, in the 2020 10-K.

    As of September 30, 2021 and December 31, 2020, we had approximately $24.0 million and $25.7 million of cash and cash equivalents, respectively, of which $10.1 million and $12.5 million, respectively, were held by foreign subsidiaries. All of the cash and cash equivalents as of September 30, 2021 and December 31, 2020 were readily convertible as of such dates into currencies used in the Company’s operations, including the U.S. dollar. 

    We have a tax receivable agreement with Lone Star that provides for the payment by us to Lone Star of specified amounts in respect of any cash savings as a result of the utilization of certain tax benefits. The actual utilization of the relevant tax benefits as well as the timing of any payments under the tax receivable agreement will vary depending upon a number of factors, including the amount, character and timing of our and our subsidiaries’ taxable income in the future. However, we expect that the payments we make under the tax receivable agreement could be substantial. The tax receivable agreement also includes provisions which restrict the incurrence of debt and that require that we make an accelerated payment to Lone Star equal to the present

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value of all future payments due under the tax receivable agreement, in each case under certain circumstances. Because of the foregoing, our obligations under the tax receivable agreement could have a substantial negative impact on our liquidity and could have the effect of delaying, deferring or preventing certain mergers, asset sales, other forms of business combinations or other changes of control. See Note 14, Commitments and contingencies, to the condensed consolidated financial statements for additional information regarding the tax receivable agreement. Our forecasted payments under the tax receivable agreement in 2021, pertaining to the 2020 tax year, are expected to be in the range of $7 million to $9 million. We expect that future annual payments under the tax receivable agreement will decline each year in accordance with our tax basis depreciation and amortization schedule unless future unplanned transactions result in an acceleration of our tax benefits under the agreement. It is expected that if the Quikrete Merger is completed under the terms of the Merger Agreement, payments to Lone Star will continue to be made by the surviving entity under the Merger Agreement according to the terms of the TRA.

    During the nine months ended September 30, 2021, we borrowed and repaid $40 million under our $350 million Revolver to fund seasonal working capital needs. As of September 30, 2021, we had $405.5 million outstanding balance under our senior term loan as amended, or the Term Loan, and no borrowings outstanding under the Revolver. Availability under the Revolver, based on draws, outstanding letters of credit of $18.8 million, as well as allowable borrowing base as of September 30, 2021, was $320.0 million.

Our $350 million Revolver will expire on June 17, 2025, subject to earlier maturity if greater than $75.0 million of our Term Loan remains outstanding 91 days prior to the scheduled maturity of the term loan credit facility or any refinancing thereof. Outstanding borrowings under the Revolver have interest rates equal to LIBOR or CDOR plus a margin ranging from 1.75% to 2.25% per annum, or an alternate base rate, Canadian prime rate or Canadian base rate plus a margin ranging from 0.75% to 1.25% per annum, in each case, based upon the average excess availability under the Revolver for the most recently completed calendar quarter and our total leverage ratio as of the end of the most recent fiscal quarter for which financial statements have been delivered.

    Subject to the conditions set forth in the revolving credit agreement, as amended, the Revolver may be increased by up to the greater of (i) $100.0 million and (ii) such amount as would not cause the aggregate borrowing base to be exceeded by more than $50.0 million. Borrowings under the Revolver may not exceed a borrowing base equal to the sum of (i) 100% of eligible cash, (ii) 85% of eligible accounts receivable and (iii) the lesser of (a) 75% of eligible inventory and (b) 85% of the orderly liquidation value of eligible inventory, with the U.S. and Canadian borrowings being subject to separate borrowing base limitations.

    Our Term Loan provides for a $1.25 billion senior secured term loan. Subject to the conditions set forth in the term loan agreement, the Term Loan may be increased by (i) up to the greater of $285.0 million and 1.0x consolidated EBITDA of Forterra, Inc. and its restricted subsidiaries for the four quarters most recently ended prior to such incurrence plus (ii) the aggregate amount of any voluntary prepayments, plus (iii) an additional unlimited amount, provided (x) in the case of any incremental debt that is secured by a lien that is pari passu with the liens securing the Term Loan, the first lien leverage ratio does not exceed 4.10 to 1.00, (y) in the case of incremental debt that is secured by a lien that is junior to the liens securing the Term Loan, the total leverage ratio does not exceed 5.50 to 1.00 and (z) in the case of incremental debt that is unsecured, the total leverage ratio does not exceed 5.75 to 1.00, in each case, determined on a pro forma basis. The Term Loan matures on October 25, 2023 and is subject to quarterly amortization equal to 0.25% of the initial principal amount. Interest will accrue on outstanding borrowings thereunder at a rate equal to adjusted LIBOR (with a floor of 1.0%) or an alternate base rate, in each case plus a margin of 3.00% or 2.00%, respectively.

    The Revolver and the Term Loan contain customary representations and warranties, and affirmative and negative covenants, that, among other things, restrict our ability to incur additional debt, incur or permit liens on assets, make investments and acquisitions, consolidate or merge with any other company, engage in asset sales and pay dividends and make distributions. The Revolver contains a financial covenant restricting us from allowing our fixed charge coverage ratio to drop below 1.00:1.00 during a compliance period, which is triggered when the availability under the Revolver falls below a threshold. The fixed charge coverage ratio is the ratio of consolidated earnings before interest, depreciation, and amortization, less cash payments for capital expenditures and income taxes to consolidated fixed charges (interest expense plus scheduled payments of principal on indebtedness).

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The Term Loan does not contain any financial covenants. Obligations under the Revolver and the Term Loan may be accelerated upon certain customary events of default (subject to grace periods, as appropriate). As of September 30, 2021, we were in compliance with all applicable covenants under the Revolver and the Term Loan.

Our $500 million senior secured notes issued in July 2020, or the Notes, will mature on July 15, 2025 and have a fixed annual interest rate of 6.50%. Obligations under the Notes are guaranteed by us and our existing and future subsidiaries (other than the issuers) that guarantee the Term Loan and the obligations of the U.S. borrowers under the Revolver. The Notes and the related guarantees are secured by first-priority liens on the collateral that secures the Term Loan on a first-priority basis (which is generally all assets other than those that secure the Revolver on a first-priority basis as set forth below) and second-priority liens on the collateral that secures the Revolver on a first-priority basis (which is generally inventory, accounts receivable, deposit accounts, securities accounts, certain intercompany loans and related assets), which second-priority liens is ratable with the liens on such assets securing the obligations under the Term Loan and junior to the liens on such assets securing the Revolver. Upon closing, we used the net proceeds from this offering to repay $492.5 million of the principal amount of the Term Loan at par, plus accrued interest.

Parent Issuer and Subsidiary Guarantor Summarized Financial Information

The following information contains the summarized financial information for the parent (Forterra, Inc.) and subsidiary guarantors of the Notes.

This consolidated summarized financial information has been prepared from the Company's financial information on the same basis of accounting as the Company's consolidated financial statements. Transactions between the parent and subsidiary guarantors presented on a combined basis have been eliminated. The principal elimination entries relate to investments in subsidiaries and intercompany balances and transactions. Certain costs have been partially allocated to all of the subsidiaries of the Company.

The subsidiary guarantors are 100% owned by the Company. All guarantees are full and unconditional and are joint and several. There are no significant restrictions on the ability of the Company to obtain funds from its U.S. subsidiaries, including the guarantors.

Summarized financial information for the year-to-date interim period and the most recent annual period was as follows (in thousands):

	Parent - Forterra, Inc. and Subsidiary Guarantors
	September 30, 2021		December 31, 2020
Current assets	$	581,782	$	443,839
Intercompany payable to non-guarantor subsidiaries	8,533		8,384
Non-current assets	1,087,580		1,115,191
Current liabilities	301,189		267,672
Non-current liabilities	1,164,977		1,176,492

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	Parent - Forterra, Inc. and Subsidiary Guarantors
	Nine months ended September 30, 2021		Year ended December 31, 2020
Net sales	$	1,308,312	$	1,514,556
Gross profit	284,309		347,854
Income before taxes	97,071		58,880
Net income	71,677		52,273

Cash Flow Information

    The following table sets forth a summary of the net cash provided by (used in) operating, investing and financing activities for the periods presented (in thousands):

	For the nine months ended
	September 30, 2021		September 30, 2020
Statement of Cash Flows data:
Net cash provided by operating activities	$	35,710	$	162,627
Net cash used in investing activities	(28,227)		(4,776)
Net cash used in financing activities	(9,237)		(159,530)

Net Cash Provided by Operating Activities

    Net cash provided by operating activities was $35.7 million in the nine months ended September 30, 2021, compared to $162.6 million in the nine months ended September 30, 2020. Changes between the periods are primarily due to the timing of settlements of our receivables and payables.

Net Cash Used in Investing Activities

    Net cash used in investing activities was $28.2 million in the nine months ended September 30, 2021, due to $42.4 million of capital expenditures and $7.0 million of business combinations, partially offset by $21.2 million proceeds from sale of fixed assets. Net cash used in investing activities was $4.8 million in the nine months ended September 30, 2020 due to $15.5 million of capital expenditures, partially offset by $10.7 million proceeds from sale of fixed assets.

Net Cash Used in Financing Activities

    Net cash used in financing activities was $9.2 million in the nine months ended September 30, 2021 primarily due to $9.4 million repayments of principal on the Term Loan. Net cash used in financing activities was $159.5 million for the nine months ended September 30, 2020 primarily due to $644.9 million repayments of principal on the Term Loan and $11.3 million payment of debt issuance costs, partially offset by proceeds from the Notes of $500.0 million.

Secondary Public Offering

    On September 21, 2020, Forterra US Holdings, LLC (the “Selling Stockholder”), an affiliate of Lone Star, sold 10,000,000 shares of our common stock at $13.50 per share. The Selling Stockholder also granted the underwriters an option for a period of 30 days to purchase up to an additional 1,500,000 shares of our common stock. On October 13, 2020, the underwriters exercised their option to purchase an additional 200,000 shares of our common stock. As a result of the sale, the aggregate beneficial ownership of Lone Star decreased from

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68.9% to 53.2% of our outstanding shares of common stock as of October 13, 2020, and we remain a “controlled company” within the meaning of Nasdaq corporate governance standards. We did not receive any proceeds from the sale of the common stock by the Selling Stockholder.

Capital Expenditures

    Under normal circumstances, our annual sustaining capital expenditures would average $45.0 million to $55.0 million. During the early part of 2020, as a precautionary measure in response to the COVID-19 pandemic and in order to preserve liquidity, we delayed some non-essential capital spending projects. As a result, total capital expenditures for 2020 were $34.0 million. We have since resumed many of these delayed projects and expect that they will get caught up during 2021, resulting in a slightly higher than average capital expenditure spend in the current year. Capital expenditures for the nine months ended September 30, 2021 were $42.4 million, compared to $15.5 million for the nine months ended September 30, 2020.

Off-Balance Sheet Arrangements

    In the ordinary course of our business, we are required to provide surety bonds and standby letters of credit to secure performance commitments. As of September 30, 2021, outstanding stand-by letters of credit amounted to $18.8 million.

Application of Critical Accounting Policies and Estimates  

    The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires us to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. The accounting policies that we believe are critical to or require subjective and/or complex judgments that could potentially affect 2021 reported results are discussed in greater detail in Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in the 2020 10-K. There have been no significant changes to those accounting policies or our assessment of which accounting policies we would consider to be critical accounting policies.

Recent Accounting Guidance Adopted

    A summary of recent accounting pronouncements and our assessment of any expected impact of these pronouncements, if known, is included in Note 2 to the audited consolidated financial statements in the 2020 10-K and Note 2, Summary of significant accounting policies, to the condensed consolidated financial statements.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

In the normal course of business, we are exposed to financial risks such as changes in interest rates, foreign currency exchange rates and commodity price risk associated with our input costs. We utilize derivative instruments to manage selected foreign exchange and interest rate exposures. See Note 12, Derivatives and hedging, to the condensed consolidated financial statements.

Interest Rate Risk

    Our exposure to market risk for changes in interest rates relates primarily to our long-term debt. The interest expense associated with our long-term debt will vary with market rates. During March 2020, the Company entered into an interest rate swap transaction with a notional value of $400 million to limit our exposure to interest rate increases related to a portion of our floating rate indebtedness.  We agreed to pay a fixed rate of interest of 1.08% and receive floating rate of interest indexed to one-month LIBOR, subject to a minimum of 1.00%, with monthly settlement terms with the swap counterparty. The swap has a 30-month term and expires on September 30, 2022. At September 30, 2021, we estimate that a 1% increase in the rates relating to our floating rate debt would increase annual interest requirements by approximately $5.1 million.

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    Borrowings under our Term Loan and our Revolver may use LIBOR as a benchmark for establishing the applicable interest rate. LIBOR is the subject of recent regulatory guidance and proposals for reform, which are expected to ultimately lead to the discontinuation of LIBOR or to cause LIBOR to become unavailable as a benchmark rate. The consequences of these developments with respect to LIBOR cannot be entirely predicted but could result in a significant increase in the cost of our variable rate indebtedness causing a negative impact on our financial position, liquidity and results of operations. We plan to carefully monitor the situation and may seek to renegotiate the benchmark for establishing the applicable interest rate with our lenders in the future.

Foreign Currency Risk

    Approximately 5.7% of our net sales for the nine months ended September 30, 2021, were made in countries outside of the U.S. As a result, we are exposed to movements in foreign exchange rates between the U.S. dollar and other currencies. Based upon our net sales for the nine months ended September 30, 2021, we estimate that a 1% change in the exchange rate between the U.S. dollar and foreign currencies would affect net sales by approximately $0.8 million. This may differ from actual results depending on the levels of net sales outside of the U.S.

Commodity Price Risk

    We are subject to commodity price risks with respect to price changes mainly in the electricity and natural gas markets and other raw material costs, such as cement, aggregates, steel and scrap steel. Price fluctuations on our key inputs have a significant effect on our financial performance and have impacted our results because of significant increases to many of those raw materials in the first nine months of 2021, which are expected to remain inflated during the last quarter of fiscal 2021. The markets for most of these commodities are cyclical and are affected by factors such as the global economic conditions, changes in or disruptions to industry production capacity, changes in inventory levels and other factors beyond our control.

Credit Risk

    Financial instruments that potentially subject us to a concentration of credit risk consist principally of accounts receivable. We provide our products to customers based on an evaluation of the financial condition of our customers, generally without requiring collateral. Exposure to losses on receivables is principally dependent on each customer's financial condition. We monitor the exposure for credit losses and maintain allowances for anticipated losses. Concentrations of credit risk with respect to our accounts receivable are limited due to the large number of customers comprising our customer base and their dispersion among many different geographies.

    At September 30, 2021, we had an individual customer within our Water Pipe & Products segment that accounted for more than 10% of total net sales for the nine months ended September 30, 2021. The customer represented approximately 19% of our total net sales for the nine months ended September 30, 2021, and amounts receivable from the customer at September 30, 2021 represented approximately 16% of our total receivables, net.

    The COVID-19 pandemic may increase our risk of, or exposure to, credit losses. See Note 2, Summary of significant accounting policies, to the condensed consolidated financial statements.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

We, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act")) as of September 30, 2021.

45

Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective at the reasonable assurance level as of September 30, 2021.

Changes in Internal Control over Financial Reporting

There have been no changes in our internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that occurred during the quarter ended September 30, 2021 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Limitations on Effectiveness of Controls

Our management, including our principal executive officer and principal financial officer, does not expect that our disclosure controls and procedures or our system of internal control over financial reporting will prevent or detect all errors and all fraud. A control system, no matter how well designed or operated, can provide only reasonable, but not absolute, assurance that the objectives of the system of internal control are met. The design of our control system reflects the fact that there are resource constraints, and that the benefits of such control system must be considered relative to their costs. Further, because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control failures and instances of fraud, if any, within the Company have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty and that breakdowns can occur because of simple error or mistake. Additionally, controls can be circumvented by the intentional acts of individuals, by collusion of two or more people, or by management override of the controls. The design of any system of controls is also based in part on certain assumptions about the likelihood of future events, and there can be no assurance that the design of any particular control will always succeed in achieving its objective under all potential future conditions.

46

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

The information set forth in Note 14, Commitments and contingencies, to the condensed consolidated financial statements is incorporated by reference herein.

Item 1A. Risk Factors

There have been no material changes during the quarter ended September 30, 2021 to the risk factors previously disclosed in the 2020 10-K.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

None.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

None.

47

Item 6. Exhibits and Financial Statement Schedules

Exhibit No.	Description of Exhibit
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.	*
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.	*
32.1	Certification of Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.	^
101.INS	XBRL Instance Document -  the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.	*
101.SCH	Inline XBRL Taxonomy Extension Schema Document.	*
101.CAL	Inline XBRL Taxonomy Calculation Linkbase Document.	*
101.DEF	Inline XBRL Taxonomy Definition Linkbase Document.	*
101.LAB	Inline XBRL Taxonomy Label Linkbase Document.	*
101.PRE	Inline XBRL Taxonomy Presentation Linkbase Document.	*
104.1	Cover page interactive data file - The cover page from the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 is formatted in Inline XBRL (included as Exhibit 101).	*

*	Filed herewith
^	Exhibit 32.1 shall not be deemed filed with the SEC, nor shall it be deemed incorporated by reference in any filing with the SEC under the Exchange Act or the Securities Act of 1933, as amended, whether made before or after the date hereof and irrespective of any general incorporation language in any filings.

48

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

FORTERRA, INC.
(Registrant)
	/s/ Karl Watson, Jr.	October 28, 2021
By:	Karl Watson, Jr.
	Chief Executive Officer
	(Principal Executive Officer)
	/s/ Charles R. Brown, II	October 28, 2021
By:	Charles R. Brown, II
	Executive Vice President and Chief Financial Officer
	(Principal Financial Officer)

EX-31.1

EXHIBIT 31.1

SECTION 302 CERTIFICATION

I, Karl Watson, Jr., certify that:

1.     I have reviewed this quarterly report on Form 10-Q of Forterra, Inc.;

2.     Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.         The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)     Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)     Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	October 28, 2021	/s/ Karl Watson, Jr.
		Karl Watson, Jr.
		Chief Executive Officer

EX-31.2

EXHIBIT 31.2

SECTION 302 CERTIFICATION

I, Charles R. Brown II, certify that:

1.    I have reviewed this quarterly report on Form 10-Q of Forterra, Inc.;

2.        Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.        Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.        The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting. 

Date:	October 28, 2021	/s/ Charles R. Brown, II
		Charles R. Brown, II
		Executive Vice President and Chief
		Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION

Pursuant to 18 U.S.C. Section 1350

Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2021 of Forterra, Inc. (the “Company”) as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), and pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers of the Company certifies to his knowledge that:

•the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

•the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	October 28, 2021	/s/ Karl Watson, Jr.
		Karl Watson, Jr.
		Chief Executive Officer

Date:	October 28, 2021	/s/ Charles R. Brown, II
		Charles R. Brown, II
		Executive Vice President and Chief
		Financial Officer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Cover - shares	9 Months Ended
	Sep. 30, 2021	Oct. 25, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Entity File Number	001-37921
Entity Registrant Name	FORTERRA, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	37-1830464
Entity Address, Address Line One	511 East John Carpenter Freeway
Entity Address, Address Line Two	6th Floor
Entity Address, City or Town	Irving
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75062
City Area Code	469
Local Phone Number	458-7973
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	FRTA
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		66,973,045
Entity Central Index Key	0001678463
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Amendment Flag	false

XML

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Net sales	$ 526,640	$ 457,557	$ 1,387,554	$ 1,214,619
Cost of goods sold	410,072	331,284	1,069,150	924,025
Gross profit	116,568	126,273	318,404	290,594
Selling, general & administrative expenses	(51,830)	(57,050)	(163,131)	(164,573)
Impairment and exit charges	(19)	(1,389)	(493)	(2,478)
Other operating income (expense), net	414	224	12,917	(447)
Operating expenses	(51,435)	(58,215)	(150,707)	(167,498)
Income from operations	65,133	68,058	167,697	123,096
Other income (expense)
Interest expense	(19,001)	(20,055)	(56,421)	(60,502)
Loss on extinguishment of debt	0	(11,547)	0	(11,481)
Earnings from equity method investee	3,337	2,295	9,498	8,220
Income before income taxes	49,469	38,751	120,774	59,333
Income tax expense	(13,701)	(9,924)	(30,265)	(17,457)
Net income	$ 35,768	$ 28,827	$ 90,509	$ 41,876
Earnings per share:
Basic (in dollars per share)	$ 0.53	$ 0.44	$ 1.36	$ 0.64
Diluted (in dollars per share)	$ 0.51	$ 0.42	$ 1.30	$ 0.62
Weighted average common shares outstanding:
Basic (in shares)	66,936	65,336	66,621	65,078
Diluted (in shares)	69,761	68,717	69,570	67,878

XML

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 35,768	$ 28,827	$ 90,509	$ 41,876
Change in other postretirement benefit plans, net of tax	0	0	0	(681)
Foreign currency translation adjustment	(1,867)	1,275	(264)	(1,987)
Comprehensive income	$ 33,901	$ 30,102	$ 90,245	$ 39,208

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 24,012	$ 25,678
Receivables, net	345,819	227,948
Inventories	254,749	222,928
Prepaid expenses	9,204	7,967
Other current assets	1,922	2,022
Total current assets	635,706	486,543
Non-current assets
Property, plant and equipment, net	451,140	451,082
Operating lease right-of-use assets	53,809	54,379
Goodwill	509,671	509,127
Intangible assets, net	77,465	101,409
Investment in equity method investee	48,783	48,285
Other long-term assets	4,301	4,987
Total assets	1,780,875	1,655,812
Current liabilities
Trade payables	166,284	134,144
Accrued liabilities	117,659	115,693
Deferred revenue	11,572	8,220
Current portion of long-term debt	12,510	12,510
Current portion of tax receivable agreement	8,333	8,333
Total current liabilities	316,358	278,900
Non-current liabilities
Long-term debt	881,331	887,511
Long-term finance lease liabilities	142,508	142,195
Long-term operating lease liabilities	50,737	50,943
Deferred tax liabilities	9,995	9,671
Other long-term liabilities	32,401	36,918
Long-term tax receivable agreement	55,907	55,907
Total liabilities	1,489,237	1,462,045
Commitments and Contingencies (Note 14)
Equity
Common stock, $0.001 par value, 190,000 shares authorized; 66,960 and 65,981 shares issued and outstanding	19	19
Additional paid-in-capital	260,205	252,579
Accumulated other comprehensive loss	(7,220)	(6,956)
Retained earnings (deficit)	38,634	(51,875)
Total shareholder's equity	291,638	193,767
Total liabilities and shareholders' equity	$ 1,780,875	$ 1,655,812

XML

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Common shares, par value (in dollars per share)	$ 0.001	$ 0.001
Common shares, authorized (in shares)	190,000,000	190,000,000
Common shares, issued (in shares)	66,960,000	65,981,000
Common shares, outstanding (in shares)	66,960,000	65,981,000

XML

Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in-Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Deficit)
Beginning Balance (in shares) at Dec. 31, 2019		64,740,667
Beginning Balance at Dec. 31, 2019	$ 120,967	$ 19	$ 244,372	$ (7,063)	$ (116,361)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,864		2,864
Share-based plan activity (in shares)		336,752
Stock-based plan activity	(194)		(194)
Comprehensive loss:
Net income	(14,066)				(14,066)
Change in other postretirement benefit plans, net of tax	(681)			(681)
Foreign currency translation adjustment	(5,699)			(5,699)
Ending Balance (in shares) at Mar. 31, 2020		65,077,419
Ending Balance at Mar. 31, 2020	103,191	$ 19	247,042	(13,443)	(130,427)
Beginning Balance (in shares) at Dec. 31, 2019		64,740,667
Beginning Balance at Dec. 31, 2019	120,967	$ 19	244,372	(7,063)	(116,361)
Comprehensive loss:
Net income	41,876
Change in other postretirement benefit plans, net of tax	(681)
Foreign currency translation adjustment	(1,987)
Ending Balance (in shares) at Sep. 30, 2020		65,673,402
Ending Balance at Sep. 30, 2020	169,664	$ 19	253,861	(9,731)	(74,485)
Beginning Balance (in shares) at Mar. 31, 2020		65,077,419
Beginning Balance at Mar. 31, 2020	103,191	$ 19	247,042	(13,443)	(130,427)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,607		2,607
Share-based plan activity (in shares)		133,488
Stock-based plan activity	46		46
Comprehensive loss:
Net income	27,115				27,115
Foreign currency translation adjustment	2,437			2,437
Ending Balance (in shares) at Jun. 30, 2020		65,210,907
Ending Balance at Jun. 30, 2020	135,396	$ 19	249,695	(11,006)	(103,312)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,330		2,330
Share-based plan activity (in shares)		462,495
Stock-based plan activity	1,836		1,836
Comprehensive loss:
Net income	28,827				28,827
Change in other postretirement benefit plans, net of tax	0
Foreign currency translation adjustment	1,275			1,275
Ending Balance (in shares) at Sep. 30, 2020		65,673,402
Ending Balance at Sep. 30, 2020	$ 169,664	$ 19	253,861	(9,731)	(74,485)
Beginning Balance (in shares) at Dec. 31, 2020	65,981,000	65,980,787
Beginning Balance at Dec. 31, 2020	$ 193,767	$ 19	252,579	(6,956)	(51,875)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,784		2,784
Share-based plan activity (in shares)		674,896
Stock-based plan activity	(856)		(856)
Comprehensive loss:
Net income	18,676				18,676
Foreign currency translation adjustment	659			659
Ending Balance (in shares) at Mar. 31, 2021		66,655,683
Ending Balance at Mar. 31, 2021	$ 215,030	$ 19	254,507	(6,297)	(33,199)
Beginning Balance (in shares) at Dec. 31, 2020	65,981,000	65,980,787
Beginning Balance at Dec. 31, 2020	$ 193,767	$ 19	252,579	(6,956)	(51,875)
Comprehensive loss:
Net income	90,509
Change in other postretirement benefit plans, net of tax	0
Foreign currency translation adjustment	$ (264)
Ending Balance (in shares) at Sep. 30, 2021	66,960,000	66,959,604
Ending Balance at Sep. 30, 2021	$ 291,638	$ 19	260,205	(7,220)	38,634
Beginning Balance (in shares) at Mar. 31, 2021		66,655,683
Beginning Balance at Mar. 31, 2021	215,030	$ 19	254,507	(6,297)	(33,199)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,054		2,054
Share-based plan activity (in shares)		265,125
Stock-based plan activity	1,292		1,292
Comprehensive loss:
Net income	36,065				36,065
Foreign currency translation adjustment	944			944
Ending Balance (in shares) at Jun. 30, 2021		66,920,808
Ending Balance at Jun. 30, 2021	255,385	$ 19	257,853	(5,353)	2,866
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	1,973		1,973
Share-based plan activity (in shares)		38,796
Stock-based plan activity	379		379
Comprehensive loss:
Net income	35,768				35,768
Change in other postretirement benefit plans, net of tax	0
Foreign currency translation adjustment	$ (1,867)			(1,867)
Ending Balance (in shares) at Sep. 30, 2021	66,960,000	66,959,604
Ending Balance at Sep. 30, 2021	$ 291,638	$ 19	$ 260,205	$ (7,220)	$ 38,634

XML

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 90,509	$ 41,876
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation & amortization expense	61,822	67,271
(Gain) loss on disposal of property, plant and equipment	(10,267)	1,949
Loss on extinguishment of debt	0	11,481
Amortization of debt discount and issuance costs	3,704	5,292
Stock-based compensation expense	6,811	7,801
Impairment charges	382	1,332
Earnings from equity method investee	(9,498)	(8,220)
Distributions from equity method investee	9,000	7,500
Unrealized (gain) loss on derivative instruments, net	(250)	894
Unrealized foreign currency (gain) loss, net	(108)	261
Provision for doubtful accounts	1,149	166
Deferred taxes	324	(3,473)
Other non-cash items	1,665	3,841
Change in assets and liabilities:
Receivables, net	(116,826)	(71,203)
Inventories	(30,695)	18,775
Other current assets	(1,104)	6,350
Accounts payable and accrued liabilities	29,794	59,307
Other assets and liabilities	(702)	11,427
NET CASH PROVIDED BY OPERATING ACTIVITIES	35,710	162,627
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment, and intangible assets	(42,399)	(15,454)
Proceeds from sale of fixed assets	21,172	10,678
Business combinations, net of cash acquired	(7,000)	0
NET CASH USED IN INVESTING ACTIVITIES	(28,227)	(4,776)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from senior secured notes	0	500,000
Payment of debt issuance costs	0	(11,299)
Repayments of term loans	(9,381)	(644,923)
Proceeds from revolver	40,000	180,000
Repayments of revolver	(40,000)	(180,000)
Proceeds from issuance of common stock	3,464	2,275
Payment pursuant to tax receivable agreement	0	(4,411)
Other financing activities	(3,320)	(1,172)
NET CASH USED IN FINANCING ACTIVITIES	(9,237)	(159,530)
Effect of exchange rate changes on cash	88	(363)
Net change in cash and cash equivalents	(1,666)	(2,042)
Cash and cash equivalents, beginning of period	25,678	34,800
Cash and cash equivalents, end of period	24,012	32,758
SUPPLEMENTAL DISCLOSURES:
Cash interest paid	58,425	44,333
Income taxes paid, net	$ 26,110	$ 8,770

XML

Description of the business	9 Months Ended
	Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of the business	Description of the business    Forterra, Inc. (“Forterra” or the ‘‘Company’’) is involved in the manufacturing, sale and distribution of building products in the United States (“U.S.”) and Eastern Canada. Forterra’s primary products are concrete drainage pipe, precast concrete structures, and water transmission pipe used in drinking and wastewater systems. These products are used in the infrastructure, residential and non-residential sectors of the construction industry.

XML

Summary of significant accounting policies

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Summary of significant accounting policies

Summary of significant accounting policies

General

    The Company's condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”) and include the accounts and results of operations of the Company and its consolidated subsidiaries. All intercompany transactions have been eliminated in consolidation.

    The condensed consolidated balance sheets and the condensed consolidated statements of operations, comprehensive income, cash flows and equity for the periods presented herein reflect all adjustments that are of a normal recurring nature and are necessary for a fair statement of the results of the periods shown. Certain information and note disclosures normally included in annual financial statements have been condensed or omitted pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”).

    The results of operations for the periods presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2021. Seasonal changes and other conditions can affect the sales volumes of the Company's products. The financial results for any interim period do not necessarily indicate the expected results for the year.

    These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto for the year ended December 31, 2020 as provided in Forterra, Inc.'s Annual Report on Form 10-K for the year ended December 31, 2020 filed with the SEC on February 25, 2021 (the “2020 10-K”). The Company has continued to follow the accounting policies set forth in those financial statements, except as supplemented and documented below. Certain prior year numbers were reclassified to conform with current year presentation. Such reclassification had no impact on the previously reported results of operations. See Note 17, Segment reporting, for further detail.

Use of estimates

    The preparation of the condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the reporting date, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates. These estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future. The more significant estimates made by management relate to fair value estimates for assets and liabilities acquired in business combinations; estimates for accrued liabilities for environmental cleanup, bodily injury and insurance claims; estimates for commitments and contingencies; and estimates for the realizability of deferred tax assets, the tax receivable agreement obligation, inventory reserves, allowance for doubtful accounts and impairment of goodwill and long-lived assets.

    Certain accounting matters that generally require consideration of forecasted financial information were assessed in light of the impact from the coronavirus disease ("COVID-19") pandemic. The accounting matters assessed included, but were not limited to, the Company’s allowance for doubtful accounts, inventory reserves, goodwill impairment, impairment of property and equipment and valuation allowances for tax assets. While the

assessments resulted in no material impacts to the Company’s condensed consolidated financial statements as of and for the three and nine months ended September 30, 2021, the Company believes the full impact of the COVID-19 outbreak remains uncertain and will continue to assess if ongoing developments related to the outbreak may cause future material impacts to its consolidated financial statements.

Concentration of Credit Risk

    The Company had an individual customer within its Water Pipe & Products segment that accounted for approximately 19% and 16% of the Company's total net sales for the nine months ended September 30, 2021 and 2020, respectively, and receivables at September 30, 2021 and December 31, 2020 representing 16% and 16% of the Company's total receivables, net, respectively.

Credit Losses

    Trade accounts receivable. The allowance for doubtful accounts is based on the Company’s assessment of the collectability of customer accounts. The Company regularly reviews the allowance by considering factors such as historical experience, credit quality, the age of the accounts receivable balances, and current economic conditions that may affect a customer’s ability to pay.

    The Company's exposure to credit losses may increase if one or more of its customers are adversely affected by changes in laws or other government recommendations or mandates, economic pressures or uncertainty associated with local or global economic recessions, disruption or other impacts associated with the COVID-19 pandemic, or other customer-specific factors. Although the Company has historically not experienced significant credit losses, it is possible that there could be a material adverse impact from potential adjustments of the carrying amount of trade receivables as customers are impacted by the COVID-19 pandemic.

Recent Accounting Guidance Adopted

    In March 2020, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in the ASU provide optional guidance for a limited time to ease the potential burden in accounting for reference rate reform. The new guidance provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments apply only to contracts and hedging relationships that reference London Interbank Offered Rate ("LIBOR") or another reference rate expected to be discontinued due to reference rate reform. The guidance was effective upon issuance and generally can be applied through December 31, 2022 and has not had any material impact to the Company's condensed consolidated financial statements.

    In December 2019, the FASB issued ASU No. 2019-12, Simplifying the Accounting for Income Taxes (Topic 740). The new guidance simplifies the accounting for income taxes by eliminating certain exceptions related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period, hybrid taxes, and the recognition of deferred tax liabilities for outside basis differences.  It also clarifies and simplifies other aspects of the accounting for income taxes. The Company adopted this ASU on January 1, 2021 on a prospective basis, which did not have a material impact on the Company's condensed consolidated financial statements.

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Merger and dispositions

9 Months Ended

Sep. 30, 2021

Business Combination and Asset Acquisition [Abstract]

Mergers and dispositions

Mergers and dispositions

Barbour Concrete Acquisition

On July 1, 2021, the Company acquired the business of Barbour Concrete Company & Barbour Building Systems ("Barbour") for $7.3 million, inclusive of $0.3 million payment for additional net working capital delivered with the business that was made in October 2021. Barbour is a manufacturer of precast concrete products used in drainage, stormwater, utility and other infrastructure applications based in Independence, Missouri. Barbour primarily serves the greater Kansas City metropolitan area. The acquisition was accounted for as a business combination as defined by ASC 805, Business Combinations; consequently, goodwill of $0.5 million was recorded.

Quikrete Merger Agreement

On February 19, 2021, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Quikrete Holdings, Inc., a Delaware corporation (“Parent”), and Jordan Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent (“Merger Sub”). Pursuant to the Merger Agreement, subject to the satisfaction or waiver of specified conditions, Merger Sub will merge with and into the Company (the “Merger”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent.

Pursuant to the Merger Agreement, at the effective time of the Merger (the “Effective Time”), each issued and outstanding share of common stock (the “Common Stock”) of the Company (other than (i) any shares held in the treasury of the Company or owned, directly or indirectly, by Parent, Merger Sub or any wholly-owned subsidiary of the Company immediately prior to the Effective Time, (ii) shares that are subject to any vesting restrictions (“Company Restricted Shares”) granted under the Company’s stock incentive plans (the “Company Stock Plans”) and (iii) any shares owned by stockholders who have properly exercised and perfected appraisal rights under Delaware law) will be automatically canceled and converted into the right to receive $24.00 in cash, without interest (the “Merger Consideration”), subject to deduction for any required withholding tax.

At the Effective Time:

(1) each restricted stock unit that is solely subject to time-based vesting requirements granted under the Company Stock Plans that is outstanding immediately prior to the Effective Time shall fully vest and be converted into the right to receive an amount in cash (without interest and subject to applicable tax withholdings) equal to the product of (i) the Merger Consideration multiplied by (ii) the number of shares of Common Stock subject to such vested restricted stock unit;

(2) each restricted stock unit that is subject to performance-based vesting requirements granted under the Company Stock Plans that is outstanding immediately prior to the Effective Time shall immediately vest and be converted into the right to receive an amount in cash (without interest and subject to applicable tax withholdings) equal to the product of (i) the Merger Consideration multiplied by (ii) the number of shares subject to such vested restricted stock unit immediately prior to the Effective Time as determined in accordance with the Merger Agreement;

(3) each option to purchase shares of Common Stock granted under the Company Stock Plans that is outstanding immediately prior to the Effective Time shall fully vest, to the extent not vested previously, and be converted into the right to receive an amount in cash (without interest and subject to applicable tax withholdings) equal to the product of (i) the remainder, if positive, of (A) the Merger Consideration minus (B) the exercise price per share of Common Stock of such option multiplied by (ii) the number of shares of Common Stock subject to such vested option; and

(4) each Company Restricted Share that is outstanding immediately prior to the Effective Time shall immediately vest in full and be converted into the right to receive an amount in cash (without interest and subject to applicable tax withholdings) equal to the Merger Consideration.

Each party’s obligation to consummate the Merger is subject to certain conditions, including, among others: (i) expiration or termination of the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended; (ii) the absence of any order issued by any court of competent jurisdiction, other legal restraint or prohibition or any law enacted or deemed applicable by a governmental entity that prohibits or makes illegal the consummation of the Merger; (iii) the passing of twenty (20) days from the date on which the Company mails to the Company’s stockholders the definitive information statement regarding the stockholder approval of the Merger by written consent; (iv) subject to certain qualifications, the accuracy of representations and warranties of the other party set forth in the Merger Agreement; and (v) the performance by the other party in all material respects of its obligations under the Merger Agreement. Parent’s obligation to consummate the Merger is also conditioned on, among other things, the absence of any Material Adverse Effect (as defined in the Merger Agreement).

Entry into the Merger Agreement has been unanimously approved by the board of directors of the Company.

The Merger Agreement includes customary representations, warranties and covenants of the Company, Parent and Merger Sub. Among other things, the Company has agreed to use commercially reasonable efforts to conduct its business in the ordinary course of business consistent with past practice and use commercially reasonable efforts to preserve intact its businesses until the Merger is consummated. The Company and Parent have also agreed to use their respective reasonable best efforts to obtain any approvals from governmental authorities for the Merger, including all required antitrust approvals, on the terms and subject to the conditions set forth in the Merger Agreement, provided that Parent and its affiliates will not be required to take, or agree to take, certain actions with respect to assets, businesses or product lines of Parent or any of its subsidiaries, or the Company or any of its subsidiaries, accounting for more than $80 million of EBITDA (as defined in the Merger Agreement) for the 12 months ended December 31, 2020, measured in accordance with the Merger Agreement.

The Merger Agreement contains certain provisions giving each of Parent and the Company rights to terminate the Merger Agreement under certain circumstances, including the right for either Parent or the Company to terminate the Merger Agreement if the Merger has not been consummated on or before November 19, 2021, which date will be automatically extended for up to two additional 60-day periods in specified circumstances as described in the Merger Agreement (such date, as may be so extended pursuant to the Merger Agreement, the “Outside Date”). Upon termination of the Merger Agreement under specified circumstances, the Company will be required to pay Parent a termination fee of $50 million. The Merger Agreement further provides that Parent will be required to pay the Company a reverse termination fee of $85 million under certain circumstances if the Merger Agreement is terminated due to the failure of the parties to obtain required approvals under Antitrust Laws (as defined in the Merger Agreement) prior to the Outside Date or as a result of a Restraint (as defined in the Merger Agreement) arising under applicable Antitrust Laws.

If the Merger is consummated, the shares of Common Stock will be delisted from the Nasdaq Stock Market LLC and deregistered under the Securities Exchange Act of 1934, as amended (the “Exchange Act”).

Transaction costs

    For the three and nine months ended September 30, 2021, the Company recognized aggregate transaction costs, including legal, accounting, valuation, and advisory fees, specific to the Merger of $4.1 million and $8.0 million, respectively. These costs are recorded in the condensed consolidated statements of operations within selling, general & administrative expenses.

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Receivables, net

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Receivables, net

Receivables, net

    Receivables consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Trade receivables	$	323,655	$	195,997
Amounts billed but not yet paid under retainage provisions	2,485		4,022
Other receivables	21,713		29,026
Total receivables	347,853		229,045
Less: Allowance for doubtful accounts	(2,034)		(1,097)
Receivables, net	$	345,819	$	227,948

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Inventories

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Inventories

Inventories

    Inventories consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Finished goods	$	151,826	$	145,872
Raw materials	101,961		76,322
Work in process	962		734
Total inventories	$	254,749	$	222,928

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Investment in equity method investee

9 Months Ended

Sep. 30, 2021

Equity Method Investments and Joint Ventures [Abstract]

Investment in equity method investee

Investment in equity method investee

    The Company owns 50% of the Common Unit voting shares of Concrete Pipe & Precast LLC ("CP&P") and consequently, has recorded its investment in the Common Unit voting shares in accordance with ASC 323, Investments – Equity Method and Joint Ventures, under the equity method of accounting.

    The Company's investment in the joint venture was $48.8 million at September 30, 2021, which is included within the Drainage Pipe & Products segment. At September 30, 2021, the difference between the amount at which the Company's investment is carried and the amount of the Company's share of the underlying equity in net assets of CP&P was approximately $12.9 million. The basis difference is primarily attributed to the value of land and equity method goodwill associated with the investment.

    The following reflects the Company's distribution and earnings in the equity investment (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
Distribution received from CP&P	$	(4,500)	$	(3,000)	$	(9,000)	$	(7,500)
Share of earnings in CP&P	3,355		2,313		9,552		8,274
Amortization of excess fair value of investment	(18)		(18)		(54)		(54)

    Selected financial data for CP&P on a 100% basis is as follows (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
Net sales	$	45,440	$	37,256	$	129,396	$	116,775
Gross profit	11,559		9,046		33,339		30,517
Income from operations	6,675		4,608		18,828		16,487
Net income	6,612		4,548		18,636		16,314

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Property, plant and equipment, net

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Property, plant and equipment, net

Property, plant and equipment, net

    Property, plant and equipment, net, consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Machinery and equipment	$	433,837	$	410,436
Land, buildings and improvements	236,967		234,251
Other equipment	13,426		12,633
Construction-in-progress	33,472		26,073
Total property, plant and equipment	717,702		683,393
Less: accumulated depreciation	(266,562)		(232,311)
Property, plant and equipment, net	$	451,140	$	451,082

    Depreciation expense totaled $12.4 million and $36.8 million for the three and nine months ended September 30, 2021, respectively, and $12.0 million and $36.3 million for the three and nine months ended September 30, 2020, respectively, which is included in cost of goods sold and selling, general and administrative expenses in the condensed consolidated statements of operations.

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Goodwill and other intangible assets, net

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and other intangible assets, net

Goodwill and other intangible assets, net

    The Company has recorded goodwill in connection with its acquisition of businesses. The following table summarizes the changes in goodwill by operating segment for the nine months ended September 30, 2021 (in thousands):

	Drainage Pipe & Products		Water Pipe & Products		Total
Balance at December 31, 2020	$	190,767	$	318,360	$	509,127
Acquisitions	507		—		507
Foreign currency and other adjustments	37		—		37
Balance at September 30, 2021	$	191,311	$	318,360	$	509,671

    Intangible assets other than goodwill at September 30, 2021 and December 31, 2020 included the following (in thousands):

	Net carrying value as of September 30, 2021		Net carrying value as of December 31, 2020
Customer relationships	$	53,339	$	70,503
Trade names	11,896		14,935
Patents	3,500		5,029
Non-compete agreements	3,091		4,962
Developed technology	5,326		5,606
Other	313		374
Total intangible assets	$	77,465	$	101,409

    Amortization expense totaled $8.4 million and $25.0 million for the three and nine months ended September 30, 2021, respectively, and $10.3 million and $31.0 million for the three and nine months ended September 30, 2020, respectively, which is included in selling, general and administrative expenses in the     condensed consolidated statements of operations. All of the Company's intangible assets are amortizable.

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Fair value measurement

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Fair value measurement

Fair value measurement

    The Company's financial instruments consist primarily of cash and cash equivalents, trade and other receivables, derivative instruments, accounts payable, long-term debt, operating and finance lease liabilities, accrued liabilities and the tax receivable agreement obligation. The carrying value of the Company's trade receivables, other receivables, trade payables, the asset-based revolver and accrued liabilities approximates fair value due to their short-term maturity or other terms related to these financial instruments. The Company may adjust the carrying amount of certain non-financial assets to fair value on a non-recurring basis when they are impaired.

    The estimated carrying amount and fair value of the Company’s financial instruments measured and recorded at fair value on a recurring basis are as follows for the dates indicated (in thousands):

	Fair value measurements at September 30, 2021 using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value September 30, 2021
Liabilities:
Derivative liability	$	—	$	322	$	—	$	322
	Fair value measurements at December 31, 2020 using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value December 31, 2020
Liabilities:
Derivative liability	$	—	$	572	$	—	$	572

Liabilities and assets classified as level 2 which are recorded at fair value are valued using observable market inputs. The fair values of derivative assets and liabilities are determined using quantitative models that utilize multiple market inputs including interest rates and exchange rates to generate continuous yield or pricing curves and volatility factors to value the position. The majority of market inputs are actively quoted and can be validated through external sources, including brokers, market transactions and third-party pricing services. The fair values of derivative assets and liabilities include adjustments for market liquidity, counter-party credit quality,

and other instrument-specific factors, where appropriate. In addition, the Company incorporates within its fair value measurements a valuation adjustment to reflect the credit risk associated with the net position. Positions are netted by counterparties, and fair value for net long exposures is adjusted for counter-party credit risk while the fair value for net short exposures is adjusted for the Company’s own credit risk.

    The estimated carrying amount and fair value of the Company’s financial instruments and liabilities for which fair value is only disclosed is as follows (in thousands):

			Fair value measurements at September 30, 2021 using
	Carrying Amount September 30, 2021		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value September 30, 2021
Liabilities:
Term Loan	$	400,487	$	—	$	405,992	$	—	$	405,992
Senior Secured Notes	493,354		—		534,900		—		534,900
Tax receivable agreement payable	64,240		—		—		41,656		41,656

			Fair value measurements at December 31, 2020 using
	Carrying Amount December 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value December 31, 2020
Liabilities:
Term Loan	$	407,978	$	—	$	415,386	$	—	$	415,386
Senior Secured Notes	492,043		—		539,760		—		539,760
Tax receivable agreement payable	64,240		—		—		40,586		40,586

The fair value of debt is valued using a market approach based on indicative quoted prices for the Company's debt instruments traded in over-the-counter markets and, therefore, is classified as Level 2 within the fair value hierarchy. See Note 11, Debt and deferred financing costs, for a further discussion of Company debt.

    The determination of the fair value of the Company's tax receivable agreement payable was made using a discounted cash flow methodology with level 3 inputs as defined by ASC 820, Fair Value Measurements and Disclosures. The determination of fair value required significant judgment, including estimates of the timing and amounts of various tax attributes. These estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future. Actual results could differ from these estimates. See Note 14, Commitments and contingencies, for a further discussion of the Company's tax receivable agreement.

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Accrued liabilities

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Accrued liabilities

Accrued liabilities

    Accrued liabilities consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Accrued payroll and employee benefits	$	47,392	$	49,434
Short-term finance leases	17,783		17,009
Short-term operating leases	8,214		7,448
Accrued taxes	19,206		13,642
Warranty	4,031		7,069
Accrued rebates	15,397		11,649
Other miscellaneous accrued liabilities	5,636		9,442
Total accrued liabilities	$	117,659	$	115,693

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Debt and deferred financing costs

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Debt and deferred financing costs

Debt and deferred financing costs

    The Company’s debt consisted of the following (in thousands):

	September 30,		December 31,
	2021		2020
Term Loan, net of debt issuance costs and original issuance discount of $4,998 and $6,889, respectively	$	400,487	$	407,978
Senior Secured Notes, net of debt issuance costs and original issuance discount of $6,646 and $7,957, respectively	493,354		492,043
Total debt	$	893,841	$	900,021
Less: current portion debt	(12,510)		(12,510)
Total long-term debt	$	881,331	$	887,511

As of September 30, 2021, Forterra had no borrowings under its $350 million asset based revolving credit facility under its ABL Credit Agreement dated October 25, 2016 (the “ABL Credit Agreement”) for working capital and general corporate purposes (“Revolver”), $405.5 million outstanding under its senior term loan facility (“Term Loan”) and $500 million senior secured notes due 2025 (the “Notes”).

Senior Secured Notes

On July 16, 2020, Forterra Finance, LLC and FRTA Finance Corp., both wholly-owned subsidiaries of the Company, completed the issuance of $500 million aggregate principal amount of senior secured notes due in 2025. The Notes have a fixed annual interest rate of 6.50% which will be paid semi-annually on January 15 and July 15 of each year. The Notes will mature on July 15, 2025. The Company used the net proceeds from the offering to repay $492.5 million of the principal amount of the Term Loan at par, plus accrued interest. The Company incurred debt issuance costs of $8.8 million and will amortize them over the term of the Notes under the effective interest method.

Obligations under the Notes are guaranteed by the Company and the Company’s existing and future subsidiaries (other than the issuing companies) that guarantee the Term Loan and the obligations of the U.S. borrowers under the Revolver. The Notes and the related guarantees are secured by first-priority liens on the collateral that secures the Term Loan on a first-priority basis (which is generally all assets other than those that secure the Revolver on a first-priority basis as set forth below) and second-priority liens on the collateral that secures the Revolver on a first-priority basis (which is generally inventory, accounts receivable, deposit accounts, securities accounts, certain intercompany loans and related assets), which second-priority liens will be ratable

with the liens on such assets securing the obligations under the Term Loan and junior to the liens on such assets securing the Revolver.

At any time prior to July 15, 2022, the Company may on any one or more occasions redeem all or part of the Notes at a redemption price equal to 100% of the principal amount of the Notes redeemed, plus a “make whole premium” as of, and accrued and unpaid interest to the date of redemption, subject to the right of holders of Notes on the relevant record date to receive interest due on an interest payment date occurring on or prior to the redemption date. In addition, at any time prior to July 15, 2022, the Company may on any one or more occasions redeem up to 40% of the aggregate principal amount of the Notes (calculated after giving effect to the issuance of any additional notes) issued under the Indenture at a redemption price equal to 106.500% of the principal amount of Notes redeemed, plus accrued and unpaid interest to the date of redemption (subject to the right of holders of Notes on the relevant record date to receive interest due on an interest payment date occurring on or prior to the redemption date), with the net cash proceeds of an equity offering. Furthermore, at any time on or after July 15, 2022, the Company may on any one or more occasions redeem all or part of the Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest on the Notes redeemed, to the applicable date of redemption, if redeemed during the 12-month period beginning on July 15 of the years indicated below, subject to the rights of holders of Notes on a relevant record date to receive interest on an interest payment date occurring on or prior to the redemption date:

	Percentage
2022	103.250	%
2023	101.625	%
2024 and thereafter	100.000	%

The Notes contain customary negative covenants, including, among other things, limitations or prohibitions on restricted payments, incurrence of additional indebtedness, liens, mergers, asset sales and transactions with affiliates. In addition, the Indenture contains customary events of default.        

Term Loan

The Term Loan provides for a $1.25 billion senior secured term loan. Subject to the conditions set forth in the term loan agreement, the Term Loan may be increased by (i) up to the greater of $285.0 million and 1.0x consolidated EBITDA (defined below) of Forterra and its restricted subsidiaries for the four quarters most recently ended prior to such incurrence plus (ii) the aggregate amount of any voluntary prepayments, plus (iii) an additional unlimited amount, provided (x) in the case of any incremental debt that is secured by a lien that is pari passu with the liens securing the Term Loan, the first lien leverage ratio does not exceed 4.10 to 1.00, (y) in the case of incremental debt that is secured by a lien that is junior to the liens securing the Term Loan, the total leverage ratio does not exceed 5.50 to 1.00 and (z) in the case of incremental debt that is unsecured, the total leverage ratio does not exceed 5.75 to 1.00, in each case, determined on a pro forma basis.

    The Term Loan matures on October 25, 2023 and is subject to quarterly amortization equal to 0.25% of the initial principal amount. Interest accrues on outstanding borrowings thereunder at a rate equal to adjusted LIBOR (with a floor of 1.0%) or an alternate base rate (the base rate, which is the highest of the then current federal funds rate plus 0.50%, the prime rate most recently announced by the administrative agent under the Term Loan, and the one-month adjusted LIBOR plus 1.00%), in each case plus a margin of 3.00% or 2.00%, respectively. The weighted average interest rates for the Term Loan were 4.0%, 4.0%, 4.0% and 4.2% for the three and nine months ended September 30, 2021 and September 30, 2020, respectively.

    During the nine months ended September 30, 2020, the Company repurchased $636.1 million of the Term Loan before its maturity at a market value of $635.5 million. Consequently, the Company wrote off a proportionate share of debt issuance costs of $12.1 million and recognized a net gain of $11.5 million on the early extinguishment of debt which was included in the condensed consolidated statements of operation.

    Outstanding borrowings under the Term Loan are guaranteed by Forterra and each of its direct and indirect material wholly-owned domestic subsidiaries except certain excluded subsidiaries (the "Guarantors"). The Term Loan is secured by substantially all of the assets of Forterra, the borrower and the Guarantors; provided that the obligations under the Term Loan are not secured by any liens on more than 65% of the voting stock of foreign subsidiaries or assets of foreign subsidiaries. The Term Loan contains customary representations and warranties, and affirmative and negative covenants, that, among other things, restrict the ability of Forterra and its restricted subsidiaries to incur additional debt, incur or permit liens on assets, make investments and acquisitions, consolidate or merge with any other company, engage in asset sales and pay dividends and make distributions. The Term Loan does not contain any financial covenants. Obligations under the Term Loan may be accelerated upon certain customary events of default (subject to grace periods, as appropriate).

Asset Based Revolving Facility

    On June 17, 2020, the Company entered into a First Amendment (the “Amendment”) to the ABL Credit Agreement. The Amendment, among other things, (i) increased the size of the Revolver from $300.0 million to $350.0 million of aggregate commitments, with up to $330.0 million to be made available to the U.S. Borrowers and up to $20.0 million to be made available to the Canadian Borrowers (the allocation may be modified periodically at the Company's request), (ii) extended the maturity date of the Revolver to June 17, 2025, subject to earlier maturity if greater than $75.0 million of the Company’s Term Loan remains outstanding 91 days prior to the scheduled maturity of the term loan credit facility or any refinancing thereof, and (iii) modified the interest rates on outstanding borrowings under the Revolver to a rate equal to LIBOR or CDOR plus a margin ranging from 1.75% to 2.25% per annum, or an alternate base rate, Canadian prime rate or Canadian base rate plus a margin ranging from 0.75% to 1.25% per annum, in each case, based upon the average excess availability under the Revolver for the most recently completed calendar quarter and the Company’s total leverage ratio as of the end of the most recent fiscal quarter for which financial statements have been delivered. The Company incurred $2.6 million of fees and expenses in connection with this Amendment and recorded it to “Other Long-term Assets” in its condensed consolidated balance sheet. In addition, the Company wrote off $0.4 million of previously deferred issuance cost related to the banks that are no longer part of the ABL Credit Facility.

Subject to the conditions set forth in the ABL Credit Agreement, as amended, the Revolver may be increased by up to the greater of (i) $100.0 million and (ii) such amount as would not cause the aggregate borrowing base to be exceeded by more than $50.0 million. Borrowings under the Revolver may not exceed a borrowing base equal to the sum of (i) 100% of eligible cash, (ii) 85% of eligible accounts receivable and (iii) the lesser of (a) 75% of eligible inventory and (b) 85% of the orderly liquidation value of eligible inventory, with the U.S. and Canadian borrowings being subject to separate borrowing base limitations. The advance rates for accounts receivable and inventory are subject to increase by 2.5% during certain periods. As of September 30, 2021 and December 31, 2020 the Company had no outstanding borrowings, under the Revolver. The weighted average interest rates for the borrowings under the Revolver were 2.75% and 2.0% for the nine months ended September 30, 2021 and September 30, 2020, respectively.

    The Revolver also provides for the issuance of letters of credit of up to an agreed sublimit. The obligations of the borrowers under the Revolver are guaranteed by Forterra and its direct and indirect wholly-owned restricted subsidiaries other than certain excluded subsidiaries; provided that the obligations of the U.S. borrowers are not guaranteed by the Canadian subsidiaries. The Revolver is secured by substantially all of the assets of the borrowers; provided that the obligations of the U.S. borrowers are not secured by any liens on more than 65% of the voting stock of foreign subsidiaries or assets of foreign subsidiaries.

    In addition, Forterra pays a facility fee of between 20.0 and 32.5 basis points per annum based upon the utilization of the total Revolver. Availability under the Revolver, based on draws, outstanding letters of credit of $18.8 million, as well as allowable borrowing base as of September 30, 2021, was $320.0 million.

    The Revolver contains customary representations and warranties, and affirmative and negative covenants, including representations, warranties, and covenants that, among other things, restrict the ability of Forterra and its restricted subsidiaries to incur additional debt, incur or permit liens on assets, make investments

and acquisitions, consolidate or merge with any other company, engage in asset sales and pay dividends and make distributions. The Revolver contains a financial covenant restricting Forterra from allowing its fixed charge coverage ratio to drop below 1.00:1.00 during a compliance period, which is triggered when the availability under the Revolver falls below a threshold set forth in the ABL Credit Agreement, as amended. Obligations under the Revolver may be accelerated upon certain customary events of default (subject to grace periods, as appropriate). The fixed charge coverage ratio is the ratio of consolidated earnings before interest, depreciation, and amortization (“EBITDA’’) less cash payments for capital expenditures and income taxes to consolidated fixed charges (interest expense plus scheduled payments of principal on indebtedness).

    As of September 30, 2021, the Company was in compliance with all applicable covenants under the Revolver, the Term Loan, and the Notes.

    As of September 30, 2021, scheduled maturities of long-term debt were as follows (in thousands).

	Total		Term Loan		Notes
2021	$	3,128	$	3,128	$	—
2022	12,510		12,510		—
2023	389,847		389,847		—
2024	—		—		—
2025	500,000		—		500,000
	$	905,485	$	405,485	$	500,000

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Derivatives and hedging

9 Months Ended

Sep. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and hedging

Derivatives and hedging

    The Company uses derivatives to manage selected foreign exchange and interest rate exposures. The Company does not use derivative instruments for speculative trading purposes, and cash flows from derivative instruments are included in net cash provided by operating activities in the condensed consolidated statements of cash flows.

    On March 30, 2020, Forterra entered into an interest rate swap transaction with a notional value of $400 million to reduce exposure to interest rate fluctuations associated with a portion of the Term Loan. Under the terms of the swap transaction, Forterra agreed to pay a fixed rate of interest of 1.08% and receive floating rate of interest indexed to one-month LIBOR, subject to a minimum of 1.00%, with monthly settlement terms with the swap counterparty. The swap has a 30-month term and expires on September 30, 2022. The interest rate swap is not designated as a cash flow hedge, therefore all changes in the fair value of the instrument are captured as a component of interest expense in the condensed consolidated statements of operations. Accordingly, cash flows from the monthly interest rate swap settlements are included in net cash provided by (used in) operating activities in the condensed consolidated statements of cash flows.

    On February 9, 2017, Forterra entered into interest rate swap transactions with a combined notional value of $525 million.  Under the terms of the swap transactions, Forterra agreed to pay a fixed rate of interest of 1.52% and receive floating rate interest indexed to one-month LIBOR with monthly settlement terms with the swap counterparties.  The swaps were not designated as cash flow hedges, had a three-year term, and expired on March 31, 2020.

    The Company elects to present all derivative assets and derivative liabilities on a net basis on its condensed consolidated balance sheets when a legally enforceable International Swaps and Derivatives Association, Inc. (“ISDA”) Master Agreement exists. An ISDA Master Agreement is an agreement between two counterparties, which may have multiple derivative transactions with each other governed by such agreement, and such ISDA Master Agreement generally provides for the net settlement of all or a specified group of these derivative transactions, through a single payment, in a single currency, in the event of a default on, or affecting any, one derivative transaction or a termination event affecting all, or a specified group of, derivative transactions.

At September 30, 2021 and December 31, 2020, the Company’s derivative instruments fall under an ISDA master netting agreement.

    The following table presents the fair values of derivative assets and liabilities in the condensed consolidated balance sheets (in thousands):

	September 30, 2021
	Derivative Assets				Derivative Liabilities
	Notional Amount		Fair Value		Notional Amount		Fair Value
Interest rate swaps	$	—	$	—	$	400,000	$	322
Total derivatives, gross			—				322
Less: Legally enforceable master netting agreements			—				—
Total derivatives, net			$	—			$	322

	December 31, 2020
	Derivative Assets				Derivative Liabilities
	Notional Amount		Fair Value		Notional Amount		Fair Value
Interest rate swaps	$	—	$	—	$	400,000	$	572
Total derivatives, gross			—				572
Less: Legally enforceable master netting agreements			—				—
Total derivatives, net			$	—			$	572

The following table presents the effect of derivative instruments on the condensed consolidated statements of operations (in thousands):

	Three months ended		Nine months ended
	September 30,		September 30,
	2021	2020	2021	2020
Derivatives not designated as hedges
Interest rate swaps
Gain (loss) on derivatives not designated as hedges included in interest expense	46	27	250	(894)

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Leases

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Leases

Leases

    The Company leases land and buildings, office spaces, vehicles, machinery and equipment under various lease agreements. A large portion of the Company’s leases were the result of the 2016 sale and leaseback of land and buildings related to certain production facilities. These leases have an initial term of 25 years, followed by one optional renewal term of approximately ten years that may be exercised at the Company’s discretion. These leases, with the exception of certain land leases, are classified as finance leases. The Company’s operating leases are mainly comprised of land and buildings, office spaces, vehicles, machinery and equipment leases, and have remaining terms of one to 25 years, some of which include options to extend the leases for up to 10 years.

    The Company determines if an arrangement is a lease at inception. Leases with an initial term of 12 months or less are not recorded on the balance sheet. Operating leases are included in operating lease right-of-use, or ROU, assets, accrued liabilities, and long-term operating lease liabilities in the condensed consolidated balance sheets. Finance leases are included in property, plant and equipment, accrued liabilities, and long-term finance lease liabilities in the condensed consolidated balance sheets.

Leases

Leases

    The Company leases land and buildings, office spaces, vehicles, machinery and equipment under various lease agreements. A large portion of the Company’s leases were the result of the 2016 sale and leaseback of land and buildings related to certain production facilities. These leases have an initial term of 25 years, followed by one optional renewal term of approximately ten years that may be exercised at the Company’s discretion. These leases, with the exception of certain land leases, are classified as finance leases. The Company’s operating leases are mainly comprised of land and buildings, office spaces, vehicles, machinery and equipment leases, and have remaining terms of one to 25 years, some of which include options to extend the leases for up to 10 years.

    The Company determines if an arrangement is a lease at inception. Leases with an initial term of 12 months or less are not recorded on the balance sheet. Operating leases are included in operating lease right-of-use, or ROU, assets, accrued liabilities, and long-term operating lease liabilities in the condensed consolidated balance sheets. Finance leases are included in property, plant and equipment, accrued liabilities, and long-term finance lease liabilities in the condensed consolidated balance sheets.

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Commitments and contingencies

9 Months Ended

Sep. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Commitments and contingencies

Commitments and contingencies

Legal matters

    The Company is involved in legal proceedings and litigation in the ordinary course of business. In the opinion of management, the outcome of such matters will not have a material adverse effect on the Company’s condensed consolidated financial position, results of operations, or liquidity. Other than routine litigation incidental to the Company's business and those matters described below, there are no material legal proceedings to which the Company is a party or to which any of the Company’s properties are subject.

Derivative Action

    On January 15, 2019, a putative shareholder derivative complaint captioned Lee v. Bradley, et al., was filed in the United States District Court for the District of Delaware, naming as defendants certain of the Company’s current and former directors and officers (the "Lee Action"). The complaint alleges the defendants violated Section 14A of the Securities and Exchange Act of 1934, as amended, and related rules by failing to make certain disclosures in the Company's proxy solicitation in advance of the 2017 Annual Meeting of Stockholders, and that defendants breached their fiduciary duties, wasted corporate assets, and committed constructive fraud. The complaint also asserts unjust enrichment claims against certain defendants. The complaint seeks, on behalf of the Company, unspecified damages, an order directing the return of certain payments to the defendants, certain injunctive relief, and reasonable costs and attorneys' fees. After initially staying the case until the court in a prior, unrelated securities class action suit that has now been settled ruled on the motion to dismiss in that case, on December 11, 2019, the court in the Lee Action entered a Stipulation and Order consolidating the Lee Action and another derivative action filed in the same court into a single case (the "Consolidated Lee Action"), and providing a schedule for filing of an amended complaint and motions to dismiss, which has been further extended by agreement of the parties. A mediation of the dispute was held on June 12, 2020 but was not successful in resolving the dispute. Plaintiffs filed an amended complaint in August 2020 and Defendants filed a motion to dismiss the complaint in September 2020, which is now fully briefed and before the court. In light of the Company’s entry into the Merger Agreement, the parties agreed that the action should be stayed pending the completion of the Merger, and the Court entered an order on March 19, 2021 staying the Lee Action until after the completion of the Merger.

    The Company and other defendants are vigorously defending the Consolidated Lee Action. Given the stage of the proceedings, the Company cannot reasonably estimate at this time the possible loss or range of loss, if any, that may arise from the Consolidated Lee Action.

Merger-Related Litigation

On March 24, 2021, Anand Choudhuri, a purported owner of Forterra common stock brought a lawsuit against the Company and each of the members of its Board of Directors in the U.S. District Court for the Southern District of New York (the "Choudhuri Action"). The plaintiff alleges, among other things, that the directors breached their fiduciary duties by entering into the Merger Agreement through an unfair process and for inadequate compensation, and that the Information Statement filed by the Company to explain the Merger to its stockholders (the "Merger Information Statement") omits material information related to the sales process, the Company’s financial projections, and Citigroup Global Markets Inc.’s (“Citi”) analysis of the proposed transaction reflected in the Merger Agreement, in violation of the federal securities laws and seeks to enjoin the Merger and/or damages in an unspecified amount.

On March 31, 2021, Christopher Jones, a purported owner of Forterra common stock brought a lawsuit against the Company and each of the members of its Board of Directors in the U.S. District Court for the District of Colorado (the "Jones Action"). The plaintiff alleges, among other things, that defendants violated federal securities laws by failing to disclose certain information in the Merger Information Statement, the Company’s

financial projections, and Citi's analysis of the proposed transaction reflected in the Merger Agreement and seeks to enjoin the Merger and/or damages in an unspecified amount.

On April 1, 2021, Adam Franchi, a purported owner of Forterra common stock brought a lawsuit against Forterra and individual members of the Board of Directors in the U.S. District Court for the District of Delaware (the "Franchi Action") (collectively, the Choudhuri Action, the Jones Action and the Franchi Action are the “Merger-Related Litigation”). The plaintiff in the Franchi Action alleges, among other things, that defendants violated federal securities laws by failing to disclose certain information in the Merger Information Statement, the Company’s financial projections, and Citi's analysis of the proposed transaction reflected in the Merger Agreement and seeks to enjoin the Merger and/or damages in an unspecified amount.

The Company filed supplemental disclosures relating to the Merger Information Statement which further explained the proposed transaction that is contemplated by the Merger Agreement. Following the supplemental disclosure filings, in late April 2021 each of the three cases was voluntarily dismissed by the applicable plaintiff, and it is expected that the plaintiffs in these actions may seek compensation for their expenses and attorneys' fees. Given the stage of the proceedings, the Company cannot reasonably estimate at this time the possible loss or range of loss, if any, that may arise from the Merger-Related Litigation.

In addition, certain stockholders have informed the Company that they will seek to exercise their appraisal rights under Delaware law with respect to their shares. No further action has been taken by these stockholders to date.

Long-term Incentive Plan

    Following the original acquisition of the Company's business by affiliates of Lone Star, Lone Star implemented a cash-based long term incentive plan (the “LTIP”) which entitles the participants in the LTIP to a potential cash payout upon a monetization event as defined by the LTIP. Potential monetization events include the sale, transfer or otherwise disposition of all or a portion of the Company or successor entities of LSF9, an initial public offering where Lone Star reduces its ownership interest in the Company or successor entities of LSF9, or through certain cash distribution as defined in the LTIP. Before the payout of any cash the LTIP requires Lone Star realize in cash the full return of their investment plus a specified internal rate of return, which is calculated by comparing the return to Lone Star over the timeline of its investment in the Company and certain successor entities of LSF9. As of September 30, 2021, no such monetization events that meet the required return for an LTIP payment have occurred, and therefore no amounts were accrued in the accompanying condensed consolidated balance sheets. While no payments have occurred thus far, payments under the LTIP could be significant depending upon future monetization events. The timing and amount of such payments are unknown and are dependent upon future monetization events and market conditions that are outside of the control of the Company or the participants of the plan. Subsequent to the IPO, Forterra became directly liable for any payment obligations triggered under the LTIP, but LSF9 or one of its affiliates will remain obligated to make payments to the Company in amounts equal to any payment obligations triggered under the LTIP as and when such payment obligations are triggered. It is expected that if the Merger is completed under the terms of the Merger Agreement, the Merger will constitute a Liquidity Event that will trigger certain payments under the terms of the LTIP.

Leases

    The Company leases certain property and equipment for various periods under non-cancelable operating and finance leases.

Tax receivable agreement

    The Company has a tax receivable agreement (the "TRA") with Lone Star that provides for, among other things, the payment by the Company to Lone Star of 85% of the amount of certain covered tax benefits, which may reduce the actual liability for certain taxes that the Company might otherwise be required to pay. The tax benefits subject to the TRA include: (i) all depreciation and amortization deductions, and any offset to taxable income and gain or increase to taxable loss, resulting from the tax basis that the Company had in its assets as of

the time of the consummation of the IPO, (ii) the utilization of the Company's and its subsidiaries’ net operating losses and tax credits, if any, attributable to periods prior to the IPO, (iii) deductions in respect of payments made, funded or reimbursed by an initial party to the tax receivable agreement (other than the Company or one of its subsidiaries) or an affiliate thereof to participants under the LTIP, (iv) deductions in respect of transaction expenses attributable to the acquisition of USP Holdings, Inc. and (v) certain other tax benefits attributable to payments made under the tax receivable agreement.

    For purposes of the TRA, the aggregate reduction in income tax payable by the Company will be computed by comparing the Company's actual income tax liability with its hypothetical liability had it not been able to utilize the related tax benefits. The agreement will remain in effect for the period of time in which any such related tax benefits remain. The Company accounts for potential payments under the TRA as a contingent liability, with amounts accrued when considered probable and reasonably estimable. The liability recorded by the Company for the TRA at September 30, 2021 and December 31, 2020 was $64.2 million and $64.2 million, respectively. The timing and amount of future tax benefits associated with the TRA are subject to change, and additional payments may be required which could be materially different from the current accrued liability. The Company anticipates that it will have sufficient taxable income in future periods to realize the full value of the obligation recorded. Future tax receivable agreement payments related to the tax basis of assets at the time of the IPO will be recorded as a reduction to the liability and will be recorded as a financing activity in the consolidated statement of cash flows. During the nine months ended September 30, 2021, the Company made no payments on the TRA to Lone Star. It is expected that if the Merger is completed under the terms of the Merger Agreement, payments to Lone Star will continue to be made by the surviving entity under the Merger Agreement according to the terms of the TRA.

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Earnings per share

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Earnings per share

Earnings per share

    Basic earnings per share (“EPS”) is calculated by dividing net earnings by the weighted average number of shares of common stock outstanding during the period. Potentially dilutive securities include employee stock options and shares of restricted stock. Diluted EPS reflects the assumed exercise, vesting or conversion of all dilutive securities.

    The calculations of the basic and diluted EPS for the three and nine months ended September 30, 2021 and 2020 are presented below (in thousands, except per share amounts):

	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
Net income	$	35,768	$	28,827	$	90,509	$	41,876
Less: Earnings allocated to unvested restricted stock awards	—		16		—		34
Earnings available to common shareholders	$	35,768	$	28,811	$	90,509	$	41,842
Common stock:
Weighted average basic shares outstanding	66,936		65,336		66,621		65,078
Effect of dilutive securities	2,825		3,381		2,949		2,800
Weighted average diluted shares outstanding	69,761		68,717		69,570		67,878
Basic earnings per share:
Net income	$	0.53	$	0.44	$	1.36	$	0.64
Diluted earnings per share:
Net income	$	0.51	$	0.42	$	1.30	$	0.62

    The number of stock options and restricted shares that were excluded from the computation of diluted

earnings per share because their inclusion would result in an anti-dilutive effect on per share amounts for the three months ended September 30, 2021 and September 30, 2020 and the nine months ended September 30, 2021 and September 30, 2020 were none, 210,077, 102 and 221,040, respectively.

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Income taxes

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Income taxes

Income taxes

    The Company recorded income tax expense of $13.7 million and $30.3 million for the three and nine months ended September 30, 2021, and $9.9 million and $17.5 million for the three and nine months ended September 30, 2020.

    The income tax expense for the three months ended September 30, 2021 was calculated in accordance with FASB ASC 740 "Income Taxes" principles. The income tax expense for the three months ended September 30, 2021 differs from the expense computed at the federal statutory rate primarily due to the current period state income tax expense recorded in the period.

The income tax expense for the nine months ended September 30, 2021 differs from the expense computed at the federal statutory rate primarily due to the current period state and foreign income tax expense on the current earnings, partially offset by the current period benefit related to equity compensation recorded during the period.

    The income tax expense for the three months ended September 30, 2020 differs from the expense computed at the federal statutory rate primarily due to the movement of the valuation allowance recorded in the quarter and state income tax expense.

The income tax expense for the nine months ended September 30, 2020 differs from the expense computed at the federal statutory rate primarily due to the movement of the valuation allowance recorded in the period and state income tax expense.

    On March 27, 2020, the U.S. government enacted the Coronavirus Aid, Relief, and Economic Security Act ("CARES Act"), as well as issued other final regulations during 2020. The Company has considered the favorable impact of the released final regulations in the preparation of the condensed consolidated financial statements. On March 11, 2021, the U.S. government enacted the COVID-19 Stimulus Package called the American Rescue Plan Act of 2021 (“ARPA”). There are no material provisions that impacted the Company’s condensed consolidated financial statements.

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Segment reporting

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Segment reporting

Segment reporting

    Segment information is presented in accordance with FASB ASC 280, Segment Reporting, which establishes standards for reporting information about operating segments. It also establishes standards for related disclosures about products and geographic areas. Operating segments are defined as components of an enterprise that engage in business activities that earn revenues, incur expenses and prepare separate financial information that is evaluated regularly by the Company’s chief operating decision maker (“CODM”) in order to allocate resources and assess performance. The Company's Chief Executive Officer is its CODM. The Corporate and Other segment includes expenses related to certain executive salaries, interest costs related to the Company's credit agreements, acquisition-related costs, and other corporate costs that are not directly attributable to the Company's operating segments. The Company's segments follow the same accounting policies as the Company. During the year ended December 31, 2020, the Company moved its concrete and steel pressure pipe business from the Water Pipe & Products segment to the Drainage Pipe & Products segment to better align with how the CODM manages the businesses. The prior year period has been updated to conform with the re-segmentation, which resulted in an immaterial impact to the prior periods' segment information.

    Net sales from the major products sold to external customers include drainage pipe and precast products and concrete and steel water transmission pipe.

    The Company’s three geographic areas consist of the United States, Canada, and Mexico for which it reports net sales, fixed assets and total assets. For purposes of evaluating segment profit, the CODM reviews EBITDA as a basis for making the decisions to allocate resources and assess performance.

    The following tables set forth the disaggregation of revenue earned from contracts with customers based on the Company's reportable segments as well as other financial information attributable to the Company's reportable segments for the three and nine months ended September 30, 2021 and 2020 (in thousands):

	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
Net sales:
Drainage Pipe & Products	$	299,423	$	261,139	$	749,774	$	676,471
Water Pipe & Products	227,217		196,418		637,780		538,148
Corporate and Other	—		—		—		—
Total	$	526,640	$	457,557	$	1,387,554	$	1,214,619
Depreciation and amortization:
Drainage Pipe & Products	$	7,905	$	8,361	$	23,167	$	25,263
Water Pipe & Products	12,091		13,403		36,558		40,418
Corporate and Other	811		599		2,097		1,589
Total	$	20,807	$	22,363	$	61,822	$	67,270
Segment EBITDA and reconciliation to income (loss) before income taxes:
Drainage Pipe & Products	$	75,609	$	66,797	$	186,066	$	147,859
Water Pipe & Products	31,958		44,978		112,352		109,973
Corporate and Other	(18,290)		(30,606)		(59,401)		(70,727)
Less: Interest expense	(19,001)		(20,055)		(56,421)		(60,502)
Depreciation and amortization	(20,807)		(22,363)		(61,822)		(67,270)
Income before income taxes	$	49,469	$	38,751	$	120,774	$	59,333
Capital expenditures:
Drainage Pipe & Products	$	11,041	$	4,513	$	28,845	$	9,910
Water Pipe & Products	6,441		3,730		11,655		6,853
Corporate and Other	175		195		3,098		557
Total	$	17,657	$	8,438	$	43,598	$	17,320
					September 30,		December 31,
					2021		2020
Total assets:
Drainage Pipe & Products					$	919,601	$	819,046
Water Pipe & Products					823,703		795,292
Corporate and Other					37,571		41,474
Total					$	1,780,875	$	1,655,812

The Company has an investment in an equity method investee included in the Drainage Pipe & Products segment for which earnings from equity method investee were $3.3 million, $9.5 million, $2.3 million and $8.2 million for the three and nine months ended September 30, 2021 and September 30, 2020, respectively, and with the following balances (in thousands):

	September 30,		December 31,
	2021		2020
Investment in equity method investee	$	48,783	$	48,285

    Disaggregated revenue by geographic location is provided in the tables below. The Company has operations in the United States, Canada and Mexico. The economic characteristics of the Company's customers do not significantly vary across geographic locations or product lines. The Company has both revenues and long-lived assets in each country; and those assets and revenues are recorded within geographic location as follows (in thousands):

Property, plant, and equipment, net:	September 30,		December 31,
	2021		2020
United States	$	405,734	$	409,338
Canada	37,256		33,250
Mexico	8,150		8,494
	$	451,140	$	451,082

Net sales:	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
United States	$	496,391	$	432,085	$	1,308,312	$	1,155,229
Canada	26,802		23,098		69,692		52,906
Mexico	3,447		2,374		9,550		6,484
	$	526,640	$	457,557	$	1,387,554	$	1,214,619

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Related party transactions

9 Months Ended

Sep. 30, 2021

Related Party Transactions [Abstract]

Related party transactions

Related party transactions

Tax receivable agreement

    The Company has a TRA with Lone Star that provides for, among other things, the payment by the Company to Lone Star of 85% of the amount of certain covered tax benefits, which may reduce the actual liability for certain taxes that the Company might otherwise be required to pay. See Note 14, Commitments and contingencies, for additional information on the tax receivable agreement.

CP&P

    The Company sold certain goods and services to its joint venture, CP&P, including spare parts for repairs, and property rentals. For the nine months ended September 30, 2021, Forterra sold $0.8 million of product to CP&P and purchased goods and services from CP&P for an amount of $0.3 million. For the nine months ended September 30, 2020, Forterra sold $1.2 million of product to CP&P and purchased $0.8 million of goods and services from CP&P.

Master Builders Solutions US, LLC

    For the nine months ended September 30, 2021, Forterra purchased goods from Master Builders Solutions US, LLC, an affiliate of Lone Star, for an amount of $0.7 million.

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Summary of significant accounting policies (Policies)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

General

General    The Company's condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”) and include the accounts and results of operations of the Company and its consolidated subsidiaries.The condensed consolidated balance sheets and the condensed consolidated statements of operations, comprehensive income, cash flows and equity for the periods presented herein reflect all adjustments that are of a normal recurring nature and are necessary for a fair statement of the results of the periods shown. Certain information and note disclosures normally included in annual financial statements have been condensed or omitted pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”).     The results of operations for the periods presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2021. Seasonal changes and other conditions can affect the sales volumes of the Company's products. The financial results for any interim period do not necessarily indicate the expected results for the year.

Consolidation

All intercompany transactions have been eliminated in consolidation.

Reclassifications

Certain prior year numbers were reclassified to conform with current year presentation. Such reclassification had no impact on the previously reported results of operations. See Note 17, Segment reporting, for further detail.

Use of Estimates

Use of estimates

    The preparation of the condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the reporting date, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates. These estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future. The more significant estimates made by management relate to fair value estimates for assets and liabilities acquired in business combinations; estimates for accrued liabilities for environmental cleanup, bodily injury and insurance claims; estimates for commitments and contingencies; and estimates for the realizability of deferred tax assets, the tax receivable agreement obligation, inventory reserves, allowance for doubtful accounts and impairment of goodwill and long-lived assets.

    Certain accounting matters that generally require consideration of forecasted financial information were assessed in light of the impact from the coronavirus disease ("COVID-19") pandemic. The accounting matters assessed included, but were not limited to, the Company’s allowance for doubtful accounts, inventory reserves, goodwill impairment, impairment of property and equipment and valuation allowances for tax assets. While the

assessments resulted in no material impacts to the Company’s condensed consolidated financial statements as of and for the three and nine months ended September 30, 2021, the Company believes the full impact of the COVID-19 outbreak remains uncertain and will continue to assess if ongoing developments related to the outbreak may cause future material impacts to its consolidated financial statements.

Credit Losses

Credit Losses

    Trade accounts receivable. The allowance for doubtful accounts is based on the Company’s assessment of the collectability of customer accounts. The Company regularly reviews the allowance by considering factors such as historical experience, credit quality, the age of the accounts receivable balances, and current economic conditions that may affect a customer’s ability to pay.

    The Company's exposure to credit losses may increase if one or more of its customers are adversely affected by changes in laws or other government recommendations or mandates, economic pressures or uncertainty associated with local or global economic recessions, disruption or other impacts associated with the COVID-19 pandemic, or other customer-specific factors. Although the Company has historically not experienced significant credit losses, it is possible that there could be a material adverse impact from potential adjustments of the carrying amount of trade receivables as customers are impacted by the COVID-19 pandemic.

Recent Accounting Guidance Adopted

Recent Accounting Guidance Adopted

    In March 2020, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in the ASU provide optional guidance for a limited time to ease the potential burden in accounting for reference rate reform. The new guidance provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments apply only to contracts and hedging relationships that reference London Interbank Offered Rate ("LIBOR") or another reference rate expected to be discontinued due to reference rate reform. The guidance was effective upon issuance and generally can be applied through December 31, 2022 and has not had any material impact to the Company's condensed consolidated financial statements.

    In December 2019, the FASB issued ASU No. 2019-12, Simplifying the Accounting for Income Taxes (Topic 740). The new guidance simplifies the accounting for income taxes by eliminating certain exceptions related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period, hybrid taxes, and the recognition of deferred tax liabilities for outside basis differences.  It also clarifies and simplifies other aspects of the accounting for income taxes. The Company adopted this ASU on January 1, 2021 on a prospective basis, which did not have a material impact on the Company's condensed consolidated financial statements.

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Receivables, net (Tables)

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Schedule of receivables, net and allowance for doubtful accounts

Receivables consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Trade receivables	$	323,655	$	195,997
Amounts billed but not yet paid under retainage provisions	2,485		4,022
Other receivables	21,713		29,026
Total receivables	347,853		229,045
Less: Allowance for doubtful accounts	(2,034)		(1,097)
Receivables, net	$	345,819	$	227,948

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Inventories (Tables)

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Finished goods	$	151,826	$	145,872
Raw materials	101,961		76,322
Work in process	962		734
Total inventories	$	254,749	$	222,928

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Investment in equity method investee (Tables)

9 Months Ended

Sep. 30, 2021

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Company's distribution and earnings and selected financial data from equity investment

The following reflects the Company's distribution and earnings in the equity investment (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
Distribution received from CP&P	$	(4,500)	$	(3,000)	$	(9,000)	$	(7,500)
Share of earnings in CP&P	3,355		2,313		9,552		8,274
Amortization of excess fair value of investment	(18)		(18)		(54)		(54)

    Selected financial data for CP&P on a 100% basis is as follows (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
Net sales	$	45,440	$	37,256	$	129,396	$	116,775
Gross profit	11,559		9,046		33,339		30,517
Income from operations	6,675		4,608		18,828		16,487
Net income	6,612		4,548		18,636		16,314

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Property, plant and equipment, net (Tables)

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment, net

Property, plant and equipment, net, consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Machinery and equipment	$	433,837	$	410,436
Land, buildings and improvements	236,967		234,251
Other equipment	13,426		12,633
Construction-in-progress	33,472		26,073
Total property, plant and equipment	717,702		683,393
Less: accumulated depreciation	(266,562)		(232,311)
Property, plant and equipment, net	$	451,140	$	451,082

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Goodwill and other intangible assets, net (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill by operating segment

The following table summarizes the changes in goodwill by operating segment for the nine months ended September 30, 2021 (in thousands):

	Drainage Pipe & Products		Water Pipe & Products		Total
Balance at December 31, 2020	$	190,767	$	318,360	$	509,127
Acquisitions	507		—		507
Foreign currency and other adjustments	37		—		37
Balance at September 30, 2021	$	191,311	$	318,360	$	509,671

Schedule of intangible assets

Intangible assets other than goodwill at September 30, 2021 and December 31, 2020 included the following (in thousands):

	Net carrying value as of September 30, 2021		Net carrying value as of December 31, 2020
Customer relationships	$	53,339	$	70,503
Trade names	11,896		14,935
Patents	3,500		5,029
Non-compete agreements	3,091		4,962
Developed technology	5,326		5,606
Other	313		374
Total intangible assets	$	77,465	$	101,409

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Fair value measurement (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of estimated carrying amount and fair value of financial instruments measured and recorded at fair value on recurring basis

The estimated carrying amount and fair value of the Company’s financial instruments measured and recorded at fair value on a recurring basis are as follows for the dates indicated (in thousands):

	Fair value measurements at September 30, 2021 using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value September 30, 2021
Liabilities:
Derivative liability	$	—	$	322	$	—	$	322
	Fair value measurements at December 31, 2020 using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value December 31, 2020
Liabilities:
Derivative liability	$	—	$	572	$	—	$	572

Schedule of carrying and fair value amounts for financial instruments

The estimated carrying amount and fair value of the Company’s financial instruments and liabilities for which fair value is only disclosed is as follows (in thousands):

			Fair value measurements at September 30, 2021 using
	Carrying Amount September 30, 2021		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value September 30, 2021
Liabilities:
Term Loan	$	400,487	$	—	$	405,992	$	—	$	405,992
Senior Secured Notes	493,354		—		534,900		—		534,900
Tax receivable agreement payable	64,240		—		—		41,656		41,656

			Fair value measurements at December 31, 2020 using
	Carrying Amount December 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value December 31, 2020
Liabilities:
Term Loan	$	407,978	$	—	$	415,386	$	—	$	415,386
Senior Secured Notes	492,043		—		539,760		—		539,760
Tax receivable agreement payable	64,240		—		—		40,586		40,586

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Accrued liabilities (Tables)

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Schedule of accrued liabilities

Accrued liabilities consist of the following (in thousands):

	September 30,		December 31,
	2021		2020
Accrued payroll and employee benefits	$	47,392	$	49,434
Short-term finance leases	17,783		17,009
Short-term operating leases	8,214		7,448
Accrued taxes	19,206		13,642
Warranty	4,031		7,069
Accrued rebates	15,397		11,649
Other miscellaneous accrued liabilities	5,636		9,442
Total accrued liabilities	$	117,659	$	115,693

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Debt and deferred financing costs (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Schedule of long-term debt

The Company’s debt consisted of the following (in thousands):

	September 30,		December 31,
	2021		2020
Term Loan, net of debt issuance costs and original issuance discount of $4,998 and $6,889, respectively	$	400,487	$	407,978
Senior Secured Notes, net of debt issuance costs and original issuance discount of $6,646 and $7,957, respectively	493,354		492,043
Total debt	$	893,841	$	900,021
Less: current portion debt	(12,510)		(12,510)
Total long-term debt	$	881,331	$	887,511

Schedule of debt redemption price percentage

Furthermore, at any time on or after July 15, 2022, the Company may on any one or more occasions redeem all or part of the Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest on the Notes redeemed, to the applicable date of redemption, if redeemed during the 12-month period beginning on July 15 of the years indicated below, subject to the rights of holders of Notes on a relevant record date to receive interest on an interest payment date occurring on or prior to the redemption date:

	Percentage
2022	103.250	%
2023	101.625	%
2024 and thereafter	100.000	%

Schedule of maturities of long-term debt

As of September 30, 2021, scheduled maturities of long-term debt were as follows (in thousands).

	Total		Term Loan		Notes
2021	$	3,128	$	3,128	$	—
2022	12,510		12,510		—
2023	389,847		389,847		—
2024	—		—		—
2025	500,000		—		500,000
	$	905,485	$	405,485	$	500,000

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Derivatives and hedging (Tables)

9 Months Ended

Sep. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of fair values of derivative assets and liabilities in condensed consolidated balance sheets

The following table presents the fair values of derivative assets and liabilities in the condensed consolidated balance sheets (in thousands):

	September 30, 2021
	Derivative Assets				Derivative Liabilities
	Notional Amount		Fair Value		Notional Amount		Fair Value
Interest rate swaps	$	—	$	—	$	400,000	$	322
Total derivatives, gross			—				322
Less: Legally enforceable master netting agreements			—				—
Total derivatives, net			$	—			$	322

	December 31, 2020
	Derivative Assets				Derivative Liabilities
	Notional Amount		Fair Value		Notional Amount		Fair Value
Interest rate swaps	$	—	$	—	$	400,000	$	572
Total derivatives, gross			—				572
Less: Legally enforceable master netting agreements			—				—
Total derivatives, net			$	—			$	572

Schedule of effect of derivative instruments on the condensed consolidated statements of operations

The following table presents the effect of derivative instruments on the condensed consolidated statements of operations (in thousands):

	Three months ended		Nine months ended
	September 30,		September 30,
	2021	2020	2021	2020
Derivatives not designated as hedges
Interest rate swaps
Gain (loss) on derivatives not designated as hedges included in interest expense	46	27	250	(894)

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Earnings per share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of calculations of basic and diluted earnings per share

The calculations of the basic and diluted EPS for the three and nine months ended September 30, 2021 and 2020 are presented below (in thousands, except per share amounts):

	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
Net income	$	35,768	$	28,827	$	90,509	$	41,876
Less: Earnings allocated to unvested restricted stock awards	—		16		—		34
Earnings available to common shareholders	$	35,768	$	28,811	$	90,509	$	41,842
Common stock:
Weighted average basic shares outstanding	66,936		65,336		66,621		65,078
Effect of dilutive securities	2,825		3,381		2,949		2,800
Weighted average diluted shares outstanding	69,761		68,717		69,570		67,878
Basic earnings per share:
Net income	$	0.53	$	0.44	$	1.36	$	0.64
Diluted earnings per share:
Net income	$	0.51	$	0.42	$	1.30	$	0.62

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Segment reporting (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Schedule of disaggregation of revenue earned from contracts with customers based on reportable segments as well as other financial information attributable to reportable segments

The following tables set forth the disaggregation of revenue earned from contracts with customers based on the Company's reportable segments as well as other financial information attributable to the Company's reportable segments for the three and nine months ended September 30, 2021 and 2020 (in thousands):

	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
Net sales:
Drainage Pipe & Products	$	299,423	$	261,139	$	749,774	$	676,471
Water Pipe & Products	227,217		196,418		637,780		538,148
Corporate and Other	—		—		—		—
Total	$	526,640	$	457,557	$	1,387,554	$	1,214,619
Depreciation and amortization:
Drainage Pipe & Products	$	7,905	$	8,361	$	23,167	$	25,263
Water Pipe & Products	12,091		13,403		36,558		40,418
Corporate and Other	811		599		2,097		1,589
Total	$	20,807	$	22,363	$	61,822	$	67,270
Segment EBITDA and reconciliation to income (loss) before income taxes:
Drainage Pipe & Products	$	75,609	$	66,797	$	186,066	$	147,859
Water Pipe & Products	31,958		44,978		112,352		109,973
Corporate and Other	(18,290)		(30,606)		(59,401)		(70,727)
Less: Interest expense	(19,001)		(20,055)		(56,421)		(60,502)
Depreciation and amortization	(20,807)		(22,363)		(61,822)		(67,270)
Income before income taxes	$	49,469	$	38,751	$	120,774	$	59,333
Capital expenditures:
Drainage Pipe & Products	$	11,041	$	4,513	$	28,845	$	9,910
Water Pipe & Products	6,441		3,730		11,655		6,853
Corporate and Other	175		195		3,098		557
Total	$	17,657	$	8,438	$	43,598	$	17,320
					September 30,		December 31,
					2021		2020
Total assets:
Drainage Pipe & Products					$	919,601	$	819,046
Water Pipe & Products					823,703		795,292
Corporate and Other					37,571		41,474
Total					$	1,780,875	$	1,655,812

The Company has an investment in an equity method investee included in the Drainage Pipe & Products segment for which earnings from equity method investee were $3.3 million, $9.5 million, $2.3 million and $8.2 million for the three and nine months ended September 30, 2021 and September 30, 2020, respectively, and with the following balances (in thousands):

	September 30,		December 31,
	2021		2020
Investment in equity method investee	$	48,783	$	48,285

Schedule of long-lived assets by geographic areas

Disaggregated revenue by geographic location is provided in the tables below. The Company has operations in the United States, Canada and Mexico. The economic characteristics of the Company's customers do not significantly vary across geographic locations or product lines. The Company has both revenues and long-lived assets in each country; and those assets and revenues are recorded within geographic location as follows (in thousands):

Property, plant, and equipment, net:	September 30,		December 31,
	2021		2020
United States	$	405,734	$	409,338
Canada	37,256		33,250
Mexico	8,150		8,494
	$	451,140	$	451,082

Schedule of disaggregation of revenue by geographic areas

Net sales:	For the three months ended September 30,				For the nine months ended September 30,
	2021		2020		2021		2020
United States	$	496,391	$	432,085	$	1,308,312	$	1,155,229
Canada	26,802		23,098		69,692		52,906
Mexico	3,447		2,374		9,550		6,484
	$	526,640	$	457,557	$	1,387,554	$	1,214,619

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Summary of significant accounting policies (Details) - Customer Concentration Risk - Individual Customer - Water Pipe & Products	9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Sales Revenue, Net
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	16.00%
Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	16.00%		16.00%

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Mergers and dispositions (Details) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended	9 Months Ended
	Jul. 01, 2021 USD ($)	Feb. 19, 2021 USD ($) extension $ / shares	Oct. 28, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)
Business Acquisition [Line Items]
Goodwill recorded in business acquired					$ 507
Barbour
Business Acquisition [Line Items]
Payment to acquire business	$ 7,300
Goodwill recorded in business acquired	$ 500
Barbour | Subsequent Event
Business Acquisition [Line Items]
Payment for additional net working capital of business acquired			$ 300
Quikrete Merger Agreement
Business Acquisition [Line Items]
Cash price per share (in dollars per share) | $ / shares		$ 24.00
Period to on which date the Company will mail the Information Statement to stockholders		20 days
EBITDA amount (more than)		$ 80,000
Number of extension periods | extension		2
Extension periods		60 days
Termination fee payable to Parent		$ 50,000
Reverse termination fee payable from the Parent to the Company		$ 85,000
Transaction costs				$ 4,100	$ 8,000

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Receivables, net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 347,853	$ 229,045
Less: Allowance for doubtful accounts	(2,034)	(1,097)
Receivables, net	345,819	227,948
Trade receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	323,655	195,997
Amounts billed but not yet paid under retainage provisions
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	2,485	4,022
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 21,713	$ 29,026

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Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Finished goods	$ 151,826	$ 145,872
Raw materials	101,961	76,322
Work in process	962	734
Total inventories	$ 254,749	$ 222,928

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Investment in equity method investee - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Investment in equity method investee	$ 48,783	$ 48,285
Drainage Pipe & Products
Schedule of Equity Method Investments [Line Items]
Investment in equity method investee	$ 48,783	$ 48,285
CP&P | Drainage Pipe & Products
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Investment in equity method investee	$ 48,800
Company's share of the underlying equity net assets of the investee	$ 12,900

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Investment in equity method investee - Company's Distribution and Earnings in Equity Method Investment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Schedule of Equity Method Investments [Line Items]
Distribution received from CP&P			$ (9,000)	$ (7,500)
Share of earnings in CP&P	$ 3,337	$ 2,295	9,498	8,220
CP&P
Schedule of Equity Method Investments [Line Items]
Distribution received from CP&P	(4,500)	(3,000)	(9,000)	(7,500)
Share of earnings in CP&P	3,355	2,313	9,552	8,274
Amortization of excess fair value of investment	$ (18)	$ (18)	$ (54)	$ (54)

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Investment in equity method investee - Selected Financial Data from the Investee (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Schedule of Equity Method Investments [Line Items]
Net sales	$ 526,640			$ 457,557			$ 1,387,554	$ 1,214,619
Gross profit	116,568			126,273			318,404	290,594
Income from operations	65,133			68,058			167,697	123,096
Net income	35,768	$ 36,065	$ 18,676	28,827	$ 27,115	$ (14,066)	90,509	41,876
CP&P
Schedule of Equity Method Investments [Line Items]
Net sales	45,440			37,256			129,396	116,775
Gross profit	11,559			9,046			33,339	30,517
Income from operations	6,675			4,608			18,828	16,487
Net income	$ 6,612			$ 4,548			$ 18,636	$ 16,314

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Property, plant and equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 717,702		$ 717,702		$ 683,393
Less: accumulated depreciation	(266,562)		(266,562)		(232,311)
Property, plant and equipment, net	451,140		451,140		451,082
Depreciation expense	12,400	$ 12,000	36,800	$ 36,300
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	433,837		433,837		410,436
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	236,967		236,967		234,251
Other equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	13,426		13,426		12,633
Construction-in-progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 33,472		$ 33,472		$ 26,073

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Goodwill and other intangible assets, net - Goodwill by Operating Segment (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2020	$ 509,127
Acquisitions	507
Foreign currency and other adjustments	37
Balance at September 30, 2021	509,671
Drainage Pipe & Products
Goodwill [Roll Forward]
Balance at December 31, 2020	190,767
Acquisitions	507
Foreign currency and other adjustments	37
Balance at September 30, 2021	191,311
Water Pipe & Products
Goodwill [Roll Forward]
Balance at December 31, 2020	318,360
Acquisitions	0
Foreign currency and other adjustments	0
Balance at September 30, 2021	$ 318,360

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Goodwill and other intangible assets, net - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 77,465	$ 101,409
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	53,339	70,503
Trade names
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	11,896	14,935
Patents
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	3,500	5,029
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	3,091	4,962
Developed technology
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	5,326	5,606
Other
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 313	$ 374

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Goodwill and other intangible assets, net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Selling, general and administrative expenses
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 8.4	$ 10.3	$ 25.0	$ 31.0

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Fair value measurement - Estimated Carrying Amount and Fair Value of Financial Instruments Measured and Recorded at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Liabilities:
Derivative liability	$ 322	$ 572
Fair Value, Measurements, Recurring
Liabilities:
Derivative liability	322	572
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Liabilities:
Derivative liability	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Liabilities:
Derivative liability	322	572
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Liabilities:
Derivative liability	$ 0	$ 0

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Fair value measurement - Carrying Amount and Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Tax receivable agreement payable	$ 64,240	$ 64,240
Carrying Amount | Senior Notes | Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	400,487	407,978
Carrying Amount | Senior Notes | Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	493,354	492,043
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Tax receivable agreement payable	41,656	40,586
Fair Value | Senior Notes | Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	405,992	415,386
Fair Value | Senior Notes | Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	534,900	539,760
Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Tax receivable agreement payable	0	0
Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | Senior Notes | Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	0	0
Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | Senior Notes | Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	0	0
Fair Value | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Tax receivable agreement payable	0	0
Fair Value | Significant Other Observable Inputs (Level 2) | Senior Notes | Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	405,992	415,386
Fair Value | Significant Other Observable Inputs (Level 2) | Senior Notes | Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	534,900	539,760
Fair Value | Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Tax receivable agreement payable	41,656	40,586
Fair Value | Significant Unobservable Inputs (Level 3) | Senior Notes | Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	0	0
Fair Value | Significant Unobservable Inputs (Level 3) | Senior Notes | Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	$ 0	$ 0

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Accrued liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accrued payroll and employee benefits	$ 47,392	$ 49,434
Short-term finance leases	17,783	17,009
Short-term operating leases	8,214	7,448
Accrued taxes	19,206	13,642
Warranty	4,031	7,069
Accrued rebates	15,397	11,649
Other miscellaneous accrued liabilities	5,636	9,442
Total accrued liabilities	$ 117,659	$ 115,693

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Debt and deferred financing costs - Schedule of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total debt	$ 893,841	$ 900,021
Less: current portion debt	(12,510)	(12,510)
Total long-term debt	881,331	887,511
Senior Notes | Term Loan, net of debt issuance costs and original issuance discount of $4,998 and $6,889, respectively
Debt Instrument [Line Items]
Debt issuance costs and original issuance discount	4,998	6,889
Total debt	400,487	407,978
Senior Notes | Senior Secured Notes, net of debt issuance costs and original issuance discount of $6,646 and $7,957, respectively
Debt Instrument [Line Items]
Debt issuance costs and original issuance discount	6,646	7,957
Total debt	$ 493,354	$ 492,043

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Debt and deferred financing costs - Narrative (Details)				3 Months Ended		9 Months Ended
	Jul. 16, 2020 USD ($)	Jun. 17, 2020 USD ($)	Oct. 25, 2016 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Debt outstanding				$ 905,485,000		$ 905,485,000
Repayments of term loan						9,381,000	$ 644,923,000
Senior Secured Notes
Debt Instrument [Line Items]
Debt outstanding				500,000,000		500,000,000
Term Loan
Debt Instrument [Line Items]
Debt outstanding				405,485,000		405,485,000
Revolving Line of Credit | ABL Credit Agreement | Revolver
Debt Instrument [Line Items]
Borrowings outstanding under revolver				0		$ 0		$ 0
Line of credit facility, maximum borrowing capacity		$ 350,000,000	$ 300,000,000
Credit facility increase limit		$ 50,000,000
Weighted average interest rate						2.75%	2.00%
Debt instrument, collateral covenant, percentage of voting stock, maximum		65.00%
Amount of debt outstanding subject to earlier maturity		$ 75,000,000
Period of debt outstanding subject to earlier maturity		91 days
Debt fees and expenses		$ 2,600,000
Write-off of debt discount and issuance costs		400,000
Aggregate maximum borrowing base		$ 100,000,000
Borrowing base limitation, percentage of eligible cash		100.00%
Borrowing base limitation, percentage of eligible accounts receivable		85.00%
Borrowing base limitation, percentage of eligible inventory		75.00%
Borrowing base limitation, percentage of orderly liquidation value of eligible inventory		85.00%
Borrowing base limitation, percentage of eligible accounts receivable and inventory		2.50%
Stand-by letters of credit outstanding				18,800,000		$ 18,800,000
Allowable borrowing base				320,000,000		$ 320,000,000
Fixed charge coverage ratio		1.00
Revolving Line of Credit | ABL Credit Agreement | Revolver | Minimum
Debt Instrument [Line Items]
Line of credit, facility fee percentage						0.20%
Revolving Line of Credit | ABL Credit Agreement | Revolver | Maximum
Debt Instrument [Line Items]
Line of credit, facility fee percentage						0.325%
Revolving Line of Credit | ABL Credit Agreement | Revolver | United States
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 330,000,000
Revolving Line of Credit | ABL Credit Agreement | Revolver | Canada
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 20,000,000
Revolving Line of Credit | ABL Credit Agreement | Revolver | LIBOR or CDOR | Minimum
Debt Instrument [Line Items]
Margin rate		1.75%
Revolving Line of Credit | ABL Credit Agreement | Revolver | LIBOR or CDOR | Maximum
Debt Instrument [Line Items]
Margin rate		2.25%
Revolving Line of Credit | ABL Credit Agreement | Revolver | CDOR | Minimum
Debt Instrument [Line Items]
Margin rate		0.75%
Revolving Line of Credit | ABL Credit Agreement | Revolver | CDOR | Maximum
Debt Instrument [Line Items]
Margin rate		1.25%
Senior Notes | Senior Secured Notes
Debt Instrument [Line Items]
Debt redemption period	12 months
Senior Notes | Senior Secured Notes | Make whole premium
Debt Instrument [Line Items]
Debt redemption price percentage	100.00%
Senior Notes | Senior Secured Notes | After giving effect to the issuance of any additional Notes
Debt Instrument [Line Items]
Debt redemption price percentage	40.00%
Senior Notes | Senior Secured Notes | Subject to the right of holders of the Notes
Debt Instrument [Line Items]
Debt redemption price percentage	106.50%
Senior Notes | Senior Secured Notes | 2022
Debt Instrument [Line Items]
Debt redemption price percentage	103.25%
Senior Notes | Senior Secured Notes | 2023
Debt Instrument [Line Items]
Debt redemption price percentage	101.625%
Senior Notes | Senior Secured Notes | 2024 and thereafter
Debt Instrument [Line Items]
Debt redemption price percentage	100.00%
Senior Notes | Senior Secured Notes | Wholly-owned Subsidiaries | Forterra Finance, LLC and FRTA Finance Corp.
Debt Instrument [Line Items]
Debt aggregate principal amount	$ 500,000,000			500,000,000		$ 500,000,000
Debt interest rate	6.50%
Senior Notes | Term Loan
Debt Instrument [Line Items]
Debt outstanding				$ 405,500,000		$ 405,500,000
Repayments of term loan	$ 492,500,000
Debt issuance costs	$ 8,800,000
Debt instrument, amortization percentage			0.25%
Weighted average interest rate				4.00%	4.00%	4.00%	4.20%
Debt repurchased					$ 636,100,000		$ 636,100,000
Market value of debt repurchased					$ 635,500,000		635,500,000
Debt instrument, collateral covenant, percentage of voting stock, maximum			65.00%
Write-off of debt discount and issuance costs							12,100,000
Net gain on early extinguishment of debt							$ 11,500,000
Senior Notes | Term Loan | LIBOR
Debt Instrument [Line Items]
Interest rate, floor percentage			1.00%
Margin rate			3.00%
Senior Notes | Term Loan | Federal Funds Rate
Debt Instrument [Line Items]
Interest rate, floor percentage			0.50%
Senior Notes | Term Loan | Adjusted LIBOR
Debt Instrument [Line Items]
Interest rate, floor percentage			1.00%
Senior Notes | Term Loan | Base Rate
Debt Instrument [Line Items]
Margin rate			2.00%
Senior Notes | Senior Secured Term Loan
Debt Instrument [Line Items]
Debt aggregate principal amount			$ 1,250,000,000
Credit facility increase limit			$ 285,000,000
Consolidated EBITDA ratio			1.0
First lien leverage ratio			4.10
Total leverage ratio			5.50
Total leverage ration for unsecured debt			5.75

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Debt and deferred financing costs - Scheduled Maturities of Long-term Debt (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Debt Instrument [Line Items]
2021	$ 3,128
2022	12,510
2023	389,847
2024	0
2025	500,000
Total	905,485
Term Loan
Debt Instrument [Line Items]
2021	3,128
2022	12,510
2023	389,847
2024	0
2025	0
Total	405,485
Senior Secured Notes
Debt Instrument [Line Items]
2021	0
2022	0
2023	0
2024	0
2025	500,000
Total	$ 500,000

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Derivatives and hedging - Narrative (Details) - Interest Rate Swap - USD ($)	Mar. 30, 2020	Feb. 09, 2017	Sep. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative liability, notional amount			$ 400,000,000	$ 400,000,000
Derivative asset, notional amount			$ 0	$ 0
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative liability, notional amount	$ 400,000,000
Derivative, term of contract	30 months	3 years
Derivative asset, notional amount		$ 525,000,000
Not Designated as Hedging Instrument | LIBOR
Derivative [Line Items]
Derivative, fixed interest rate to pay interest	1.08%	1.52%
Derivative, floating interest rate received (minimum)	1.00%

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Derivatives and hedging - Schedule of Fair Values of Derivative Assets and Liabilities in Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Derivative Assets
Fair Value	$ 0	$ 0
Less: Legally enforceable master netting agreements	0	0
Total derivatives, net	0	0
Derivative Liabilities
Fair Value	322	572
Less: Legally enforceable master netting agreements	0	0
Total derivatives, net	322	572
Interest rate swaps
Derivative Assets
Notional Amount	0	0
Fair Value	0	0
Derivative Liabilities
Notional Amount	400,000	400,000
Fair Value	$ 322	$ 572

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Derivatives and hedging - Schedule of Effect of Derivative Instruments on Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivatives not designated as hedges | Interest rate swaps | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives not designated as hedges included in interest expense	$ 46	$ 27	$ 250	$ (894)

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Leases (Details)	Sep. 30, 2021 renewal_option
Lessee, Lease, Description [Line Items]
Initial term of finance leases	25 years
Number of renewal options of finance leases	1
Renewal term of finance leases	10 years
Renewal term of operating leases (up to)	10 years
Minimum
Lessee, Lease, Description [Line Items]
Remaining term of operating leases	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining term of operating leases	25 years

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Commitments and contingencies (Details)		9 Months Ended
	Apr. 30, 2021 claim	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Payments of TRA agreement		$ 0	$ 4,411,000
Threatened Litigation | Merger-Related Litigation
Loss Contingencies [Line Items]
Number of cases voluntarily dismissed by the plaintiff | claim	3
LTIP
Loss Contingencies [Line Items]
Amount accrued for long-term incentive plan		0
Payments for long-term incentive plan		$ 0
Lone Star | Affiliated Entities
Loss Contingencies [Line Items]
Certain covered tax benefits paid by related party, percentage		85.00%
Accrued liabilities related to tax receivable agreement		$ 64,200,000		$ 64,200,000
Payments of TRA agreement		$ 0

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Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Net income	$ 35,768	$ 36,065	$ 18,676	$ 28,827	$ 27,115	$ (14,066)	$ 90,509	$ 41,876
Less: Earnings allocated to unvested restricted stock awards	0			16			0	34
Earnings available to common shareholders	$ 35,768			$ 28,811			$ 90,509	$ 41,842
Common stock:
Weighted average basic shares outstanding (in shares)	66,936			65,336			66,621	65,078
Effect of dilutive securities (in shares)	2,825			3,381			2,949	2,800
Weighted average diluted shares outstanding (in shares)	69,761			68,717			69,570	67,878
Basic earnings per share:
Net income (in dollars per share)	$ 0.53			$ 0.44			$ 1.36	$ 0.64
Diluted earnings per share:
Net income (in dollars per share)	$ 0.51			$ 0.42			$ 1.30	$ 0.62

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Earnings per share - Narrative (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Stock Options and Restricted Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0	210,077	102	221,040

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Income taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Income tax expense	$ 13,701	$ 9,924	$ 30,265	$ 17,457

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Segment reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) geographic_area	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of geographic areas | geographic_area			3
Net sales	$ 526,640	$ 457,557	$ 1,387,554	$ 1,214,619
Depreciation and amortization	20,807	22,363	61,822	67,270
Less: Interest expense	(19,001)	(20,055)	(56,421)	(60,502)
Income before income taxes	49,469	38,751	120,774	59,333
Capital expenditures	17,657	8,438	43,598	17,320
Assets	1,780,875		1,780,875		$ 1,655,812
Earnings from equity method investee	3,337	2,295	9,498	8,220
Investment in equity method investee	48,783		48,783		48,285
Property, plant and equipment, net	451,140		451,140		451,082
United States
Segment Reporting Information [Line Items]
Net sales	496,391	432,085	1,308,312	1,155,229
Property, plant and equipment, net	405,734		405,734		409,338
Canada
Segment Reporting Information [Line Items]
Net sales	26,802	23,098	69,692	52,906
Property, plant and equipment, net	37,256		37,256		33,250
Mexico
Segment Reporting Information [Line Items]
Net sales	3,447	2,374	9,550	6,484
Property, plant and equipment, net	8,150		8,150		8,494
Drainage Pipe & Products
Segment Reporting Information [Line Items]
Earnings from equity method investee	3,300	2,300	9,500	8,200
Investment in equity method investee	48,783		48,783		48,285
Operating Segments | Drainage Pipe & Products
Segment Reporting Information [Line Items]
Net sales	299,423	261,139	749,774	676,471
Depreciation and amortization	7,905	8,361	23,167	25,263
Segment EBITDA and reconciliation to income (loss) before income taxes	75,609	66,797	186,066	147,859
Capital expenditures	11,041	4,513	28,845	9,910
Assets	919,601		919,601		819,046
Operating Segments | Water Pipe & Products
Segment Reporting Information [Line Items]
Net sales	227,217	196,418	637,780	538,148
Depreciation and amortization	12,091	13,403	36,558	40,418
Segment EBITDA and reconciliation to income (loss) before income taxes	31,958	44,978	112,352	109,973
Capital expenditures	6,441	3,730	11,655	6,853
Assets	823,703		823,703		795,292
Corporate and Other
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Depreciation and amortization	811	599	2,097	1,589
Segment EBITDA and reconciliation to income (loss) before income taxes	(18,290)	(30,606)	(59,401)	(70,727)
Capital expenditures	175	$ 195	3,098	$ 557
Assets	$ 37,571		$ 37,571		$ 41,474

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Related party transactions (Details) - Affiliated Entities - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CP&P
Related Party Transaction [Line Items]
Sales of products to related party	$ 0.8	$ 1.2
Purchased goods and services from related party	$ 0.3	$ 0.8
Lone Star
Related Party Transaction [Line Items]
Payment of certain covered tax benefits buy the Company, percentage	85.00%
Master Builders Solutions US, LLC
Related Party Transaction [Line Items]
Purchased goods and services from related party	$ 0.7