Mueller 12x21 (D.I.Y.) with Optional Center Girts and Floor Kit - Manual (Page 24)

Mueller, Inc. 12x21 DIY Back Yard Kit Instructions; For additional information, see the D.I.Y Installation Video
1"
24
SHEETING SIDEWALL
Inside closure goes on the bottom and outside closure goes on top.
Sidewall
Endwall
NOTE: Start sheets 1" above the bottom of the base channel and 1" out from endwall
TOP VIEW