Window Fitters Guide to Window Installation 
104               ©2022 AWDI, LLC Do not reproduce without permission
Step 3:
Install window  plumb,
level and square using
shims as necessary.
Nail through mounting
fin to studs on jambs.
Using Simplex nails,
attach header nailing
fin. This will allow
expansion and contrac-
tion freely.
Do not mount 
along bottom.
If sealant is to be used,
makes ure weep space
is left at the sill and
that the sealant is
chemically compatible
with the building paper.
Step 1:
Using flashing nails 
or staples, attach 
strip of building 
paper at the sill. 
Attach top only and
leave the sides and bot-
tom loose.
Step 1
Step 2
Step 3
Step 4
Step 2:
Using flashing nails 
or staples, attach 
strips of 
building paper 
along jambs.
Step 4:
Install flashing 
at the sill, 
covering the 
bottom nailing fin.
the sill flashing.
Finned Window w/Stucco Finish in Wood Wall
SAMPLE MANUAL

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