Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Amendment No. 1 to Registration Statement No. 333-214871 on Form S-1 of our report dated November 29, 2016, relating to the consolidated financial statements and financial statement schedules of Atkore International Group Inc. and subsidiaries, appearing in the Prospectus, which is a part of this Registration Statement, and to the reference to us under the heading “Experts” in such Prospectus.
/s/ Deloitte & Touche LLP
Chicago, Illinois
December 5, 2016