Installed Building Products (IBP) 8-K/A Completion of Acquisition or Disposition of Assets

Exhibit 23.1

    Crowe Horwath LLP Independent Member Crowe Horwath International

CONSENT OF INDEPENDENT AUDITOR

We consent to the incorporation by reference in the Registration StatementNo. 333-195107 on FormS-8 of Installed Building Products, Inc. of our report dated October 18, 2016 on the combined financial statements of Trilok Industries, Inc. and Affiliated Companies, which is included in this Current Report on Form8-K/A.     

/s/ Crowe Horwath LLP

Crowe Horwath LLP

Columbus, Ohio     

March 16, 2017