Mueller 18x21 (D.I.Y.) with Optional Center Girts and Floor Kit User Manual
Page 7

Mueller, Inc. 18x21 DIY Back Yard Kit Instructions; For additional information, see the D.I.Y. Installation Video
7
FlOOr KIT (OpTIONal)
OpTION 2
Slotting
Slotting is for column flange
Notch plywood
for door base
OpTION 1
Notching
2' x 8'
2' x 8'
2' x 5'
8' x 4'
8' x 4'
8' x 4'
8' x 4'
8' x 4'
8' x 4'
8' x 4'
8' x 4'
8' x 4'
8' x 4'
8' x 1'
8' x 1'