Mueller 24x24 (D.I.Y.) with Optional Center Girts and Floor Kit - Manual (Page 12)

Mueller, Inc. 24x24 DIY Back Yard Kit Instructions; For additional information, see the D.I.Y. Installation Video
12
MaKE SURE ThE aSSEMBLY
IS SqUaRE aND LEVEL
Make sure the assembly is square.
assembly is square when the corner to
corner measurements are equal. Use
temporary bracing (not included) to
hold assembly square if required.