Mueller 12x21 (D.I.Y.) with Optional Center Girts and Floor Kit - Manual (Page 20)

Mueller, Inc. 12x21 DIY Back Yard Kit Instructions; For additional information, see the D.I.Y Installation Video
1"
Lap TEK Screw
Eave Trim
DripTrim
Use
inside/outside
closures
behind drip
trim
1" past
1"
Sidewal
l
Endwall
20
WINDOW (OPTIONAL)
Start sheet 3/4" past steel line. Sheet 1" above bottom of base channel
NOTE: Sheets below window
will need to be field cut
for window assembly.
Insert window and flap
flush to sheet. Add drip
edge window trim when
installing eave trim.
See installation
instructions included
with the window
packaging.