6. Put finishing trim around the
inside of the window and caulk the
perimeter. Finish off the wood and
moulding with a quality stain or
paint.
Shim as necessary making sure to
shim on both sides behind the
installation screw holes. On top,
shims must be placed directly over
the locks to maintain proper clear-
ance between header and 
sash to assure proper window
operation.
Window Fitters Guide to Window Installation 
76                ©2022 AWDI, LLC Do not reproduce without permission
5. Using 1/8” drill bit, drill pilot holes through the
installation hole into the wood buck. Mount the 
window with screws provided in the hardware kit.
4. Check plumb and square with a level, and 
measure the diagonals to see if the window is 
square. Adjust shims if necessary. Place 
insulation between frame and opening.
3. Insert the locked window into the opening from
inside the house. 
2. Caulk around the inside of the blindstops and lay
a bead of caulk approximately in the middle of where
the window will rest on the buck.
Basic Installation
1. As in most replacement situations, blind stops are
recommended. This provides a firm surface to mount
the window against, and assures weathertightness.
Install blindstops of 1/2” x 3/4” stop material or
1/2” quarter-round moulding. Set the stops 1/2”
from the outside edge of the installed buck.
1/2" x3/4” 
Blind
Stops
Caulk
Use
Flat
Shims
SAMPLE MANUAL

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