CONFIRMING STATEMENT

	This Statement confirms that the undersigned, Joseph J. Keough, has
authorized and designated each of David B. Foshee and Katie Corso,
signing singly, to execute and file on the undersigned's behalf all
Forms 3, 4, and 5 (including any amendments thereto) that the
undersigned may be required to file with the U.S. Securities and
Exchange Commission as a result of the undersigned's ownership
of or transactions in securities of Interface, Inc. The authority of Mr.
Foshee and Ms. Corso under this Statement shall continue until the
undersigned is no longer required to file Forms 3, 4, and 5 with
regard to the undersigned's ownership of or transactions in
securities of Interface, Inc., unless earlier revoked in writing.
The undersigned acknowledges that neither David B. Foshee nor Katie
Corso is assuming any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.

/s/ Joe Keough
Joe Keough

Date: September 11, 2019