Exhibit 25.1

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM T-1

STATEMENT OF ELIGIBILITY

UNDER THE TRUST INDENTURE ACT OF 1939 OF A

CORPORATION DESIGNATED TO ACT AS TRUSTEE

☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2)

WELLS FARGO BANK, NATIONAL ASSOCIATION

(Exact name of trustee as specified in its charter)

A National Banking Association	94-1347393
(Jurisdiction of incorporation of organization if not a U.S. national bank)	(I.R.S. Employer Identification No.)
101 North Phillips Avenue Sioux Falls, South Dakota	57104
(Address of principal executive offices)	(Zip code)

Wells Fargo & Company

Law Department, Trust Section

MAC N9305-175

Sixth Street and Marquette Avenue, 17^th Floor

Minneapolis, Minnesota 55479

(612) 667-4608

(Name, address and telephone number of agent for service)

OWENS CORNING

(Exact name of obligor as specified in its charter)

Delaware	43-2109021
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
One Owens Corning Parkway Toledo, Ohio	43659
(Address of principal executive offices)	(Zip code)

Debt Securities

and Guarantees of Debt Securities

(Title of the indenture securities)

GUARANTORS

Exact Name of Obligor as Specified in its Charter	State or Other Jurisdiction of Incorporation or Organization	I.R.S. Employer Identification Number	Address of Principal Executive Offices, Including Zip Code
CDC Corporation	Wisconsin	39-1830456	One Owens Corning Parkway Toledo, Ohio 43659
Engineered Pipe Systems, Inc.	Delaware	34-1870323	One Owens Corning Parkway Toledo, Ohio 43659
Eric Company	Delaware	34-1162113	One Owens Corning Parkway Toledo, Ohio 43659
InterWrap Corp.	Oregon	93-0957943	One Owens Corning Parkway Toledo, Ohio 43659
IPM Inc.	Delaware	51-0336727	One Owens Corning Parkway Toledo, Ohio 43659
OCV Intellectual Capital, LLC	Delaware	83-0466000	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Automotive, LLC	Delaware	81-0810235	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Composite Materials, LLC	Delaware	35-2273537	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Construction Services, LLC	Delaware	36-4590392	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Foam Insulation, LLC	Delaware	38-3737830	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Franchising, LLC	Delaware	32-0181362	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning HOMExperts, Inc.	Delaware	32-0176636	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning HT, Inc.	Delaware	34-1830879	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Insulating Systems, LLC	Delaware	37-1525228	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Intellectual Capital, LLC	Delaware	83-0485853	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Mineral Wool, LLC	Delaware	47-2214614	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Non-Woven Technology, LLC	Delaware	45-4533190	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Roofing and Asphalt, LLC	Delaware	32-0176634	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Sales, LLC	Delaware	74-3189734	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Science and Technology, LLC	Delaware	30-0369347	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning Technical Fabrics, LLC	Delaware	45-4533820	One Owens Corning Parkway Toledo, Ohio 43659
Owens Corning U.S. Holdings, LLC	Delaware	30-0369361	One Owens Corning Parkway Toledo, Ohio 43659
Owens-Corning Funding Corporation	Delaware	34-1788139	One Owens Corning Parkway Toledo, Ohio 43659
Pittsburgh Corning Corporation	Pennsylvania	25-0729265	One Owens Corning Parkway Toledo, Ohio 43659
Soltech, Inc.	Kentucky	35-1575937	One Owens Corning Parkway Toledo, Ohio 43659
Thermafiber, Inc.	Delaware	13-3986697	One Owens Corning Parkway Toledo, Ohio 43659

Item 1. General Information. Furnish the following information as to the trustee:

(a)	Name and address of each examining or supervising authority to which it is subject.
	Comptroller of the Currency
	Treasury Department
	Washington, D.C.
	Federal Deposit Insurance Corporation
	Washington, D.C.
	Federal Reserve Bank of San Francisco
	San Francisco, California 94120
(b)	Whether it is authorized to exercise corporate trust powers.
	The trustee is authorized to exercise corporate trust powers.

Item 2. Affiliations with Obligor. If the obligor is an affiliate of the trustee, describe each such affiliation.

None with respect to the trustee.

No responses are included for Items 3-14 of this Form T-1 because the obligor is not in default as provided under Item 13.

Item 15. Foreign Trustee. Not applicable.

Item 16. List of Exhibits. List below all exhibits filed as a part of this Statement of Eligibility.

Exhibit 1.	A copy of the Articles of Association of the trustee as now in effect.*
Exhibit 2.	A copy of the Comptroller of the Currency Certificate of Corporate Existence for Wells Fargo Bank, National Association, dated January 14, 2015.*
Exhibit 3.	A copy of the Comptroller of the Currency Certification of Fiduciary Powers for Wells Fargo Bank, National Association, dated January 6, 2014.*
Exhibit 4.	Copy of By-laws of the trustee as now in effect.*
Exhibit 5.	Not applicable.
Exhibit 6.	The consent of the trustee required by Section 321(b) of the Act.
Exhibit 7.	A copy of the latest report of condition of the trustee published pursuant to law or the requirements of its supervising or examining authority.
Exhibit 8.	Not applicable.
Exhibit 9.	Not applicable.

* Incorporated by reference to the exhibit of the same number to the trustee’s Form T-1 filed as exhibit to the Filing 305B2 dated March 13, 2015 of Navient Funding, LLC and Navient Credit Funding, LLC, file number 333-190926.

SIGNATURE

Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the trustee, Wells Fargo Bank, National Association, a national banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility to be signed on its behalf by the undersigned, thereunto duly authorized, all in the City of Minneapolis and State of Minnesota on the 11th day of January 2018.

WELLS FARGO BANK, NATIONAL ASSOCIATION

/s/ David S. Pickett

David S. Pickett

Assistant Vice President

EXHIBIT 6

January 11, 2018

Securities and Exchange Commission

Washington, D.C. 20549

Gentlemen:

In accordance with Section 321(b) of the Trust Indenture Act of 1939, as amended, the undersigned hereby consents that reports of examination of the undersigned made by Federal, State, Territorial, or District authorities authorized to make such examination may be furnished by such authorities to the Securities and Exchange Commission upon its request therefor.

Very truly yours,

WELLS FARGO BANK, NATIONAL ASSOCIATION

/s/ David S. Pickett

David S. Pickett

Assistant Vice President

EXHIBIT 7

Consolidated Report of Condition of

Wells Fargo Bank National Association

of 101 North Phillips Avenue, Sioux Falls, SD 57104

And Foreign and Domestic Subsidiaries,

at the close of business September 30, 2017, filed in accordance with 12 U.S.C. §161 for National Banks.

		Dollar Amounts In Millions
ASSETS
Cash and balances due from depository institutions:
Noninterest-bearing balances and currency and coin		$	18,593
Interest-bearing balances			205,447
Securities:
Held-to-maturity securities			142,316
Available-for-sale securities			254,889
Federal funds sold and securities purchased under agreements to resell:
Federal funds sold in domestic offices			118
Securities purchased under agreements to resell			30,628
Loans and lease financing receivables:
Loans and leases held for sale			7,834
Loans and leases, net of unearned income	924,987
LESS: Allowance for loan and lease losses	10,292
Loans and leases, net of unearned income and allowance			914,695
Trading Assets			45,303
Premises and fixed assets (including capitalized leases)			7,810
Other real estate owned			691
Investments in unconsolidated subsidiaries and associated companies			11,686
Direct and indirect investments in real estate ventures			339
Intangible assets
Goodwill			22,481
Other intangible assets			16,825
Other assets			58,325
Total assets		$	1,737,980
LIABILITIES
Deposits:
In domestic offices		$	1,242,149
Noninterest-bearing	425,384
Interest-bearing	816,765
In foreign offices, Edge and Agreement subsidiaries, and IBFs			118,326
Noninterest-bearing	929
Interest-bearing	117,397
Federal funds purchased and securities sold under agreements to repurchase:
Federal funds purchased in domestic offices			12,165
Securities sold under agreements to repurchase			6,652

	Dollar Amounts In Millions
Trading liabilities		10,606
Other borrowed money
(includes mortgage indebtedness and obligations under capitalized leases)		131,262
Subordinated notes and debentures		12,971
Other liabilities		40,287
Total liabilities	$	1,574,418
EQUITY CAPITAL
Perpetual preferred stock and related surplus		0
Common stock		519
Surplus (exclude all surplus related to preferred stock)		111,189
Retained earnings		51,446
Accumulated other comprehensive income		20
Other equity capital components		0
Total bank equity capital		163,174
Noncontrolling (minority) interests in consolidated subsidiaries		388
Total equity capital		163,562
Total liabilities, and equity capital	$	1,737,980

I, John R. Shrewsberry, Sr. EVP & CFO of the above-named bank do hereby declare that this Report of Condition has been prepared

in conformance with the instructions issued by the appropriate Federal regulatory authority and is true to the best of my knowledge

and belief.

John R. Shrewsberry

Sr. EVP & CFO

We, the undersigned directors, attest to the correctness of this Report of Condition and declare that it has been examined by us

and to the best of our knowledge and belief has been prepared in conformance with the instructions issued by the appropriate

Federal regulatory authority and is true and correct.

Directors

Enrique Hernandez, Jr

Federico F. Pena

James Quigley