Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Registration Statement on Form S-1 of Specialty Building Products, Inc. of our report dated October 1, 2021 relating to the financial statements of Specialty Building Products Holdings, LLC, which appears in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Atlanta, Georgia

January 3, 2022