Exhibit 23.1

				Deloitte & Touche LLP
				111 S. Wacker
				Chicago, IL 60606
				USA
				Tel: 312 486 1000
				Fax: 312 486 1486
				www.deloitte.com

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-3 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 Annual Report on Form 10-K of Atkore International Group Inc. for the year ended September 30, 2016, and to the reference to us under the heading “Experts” in the Prospectus, which is part of this Registration Statement.

/s/ Deloitte & Touche LLP

Chicago, Illinois

June 30, 2017