Mueller 18x21 (D.I.Y.) with Optional Center Girts and Floor Kit - Manual (Page 9)

Mueller, Inc. 18x21 DIY Back Yard Kit Instructions; For additional information, see the D.I.Y. Installation Video
9
raFTers (r-1)
Bolts should remain loose until EC-1 is installed
r-1
r-1
Place one
bolt as
shown.