Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
Beacon Sales Acquisition, Inc. 401(k) Profit Sharing Plan
Herndon, Virginia
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (333-128379) of Beacon Sales Acquisition, Inc. 401(k) Profit Sharing Plan of Beacon Roofing Supply, Inc. of our report dated March 28, 2019 relating to the financial statements and supplemental schedule of Beacon Sales Acquisition, Inc. 401(k) Profit Sharing Plan which appear in this Form 11-K.
/s/BDO USA, LLP
BDO USA, LLP
Grand Rapids, Michigan
March 28, 2019