POWER OF ATTORNEY



KNOW ALL PERSONS BY THESE PRESENTS, that I, Lloyd E. Johnson, hereby constitute
and appoint Meghan M. Elliott, Ryan Tollgaard, David Wright Walstrom and Judith
A. Stone and each of them, my true and lawful attorneys-in-fact and agents, with
full power of substitution and resubstitution for me and in my name, place and
stead, to sign any reports on Form 3 (Initial Statement of Beneficial Ownership
of Securities), Form 4 (Statement of Changes in Beneficial Ownership of
Securities) and Form 5 (Annual Statement of Changes in Beneficial Ownership of
Securities) relating to transactions by me in Common Stock or other securities
of Apogee Enterprises, Inc. and all amendments thereto, and to file the same,
with the Securities and Exchange Commission and the appropriate securities
exchange, granting unto said attorneys-in-fact and agents, and each of them, or
their substitutes, full power and authority to do and perform each and every act
and thing requisite or necessary to be done in and about the premises, as fully
to all intents and purposes as I might or could do in person, hereby ratifying
and confirming all that said attorneys-in-fact and agents, and each of them, or
their substitutes, may lawfully do or cause to be done by virtue hereof.  This
Power of Attorney shall be effective until such time as I deliver a written
revocation thereof to the above-named attorneys-in-fact and agents.


By:  /s/ Lloyd E. Johnson

Date:  September 9, 2020