Installation Instructions

INSTALLATION INSTRUCTIONS
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
7
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1. Release the building wrap
from above the header
(previously taped up) and
overlap the header ashing.
Seal the ends with self-
adhered ashing or building
wrap tape.
2. Seal all four corners of the
window with a 3/8" bead
of sealant. Tool into a
lletshape.
3. Seal any gaps or openings at
end of horizontal mull joints with sealant.
CONTINUOUS AIR SEAL
Create a continuous air seal
on the interior by integrating
the rough opening and the
window frame with low
expansion polyurethane foam
or backer rod and sealant.
AFTER INSTALLATION
• Install exterior wall surface per manufactures’ guidelines.
• Leave an expansion/contraction gap of approximately 3/8" between
window frame and nal exterior wall surface (siding, stucco, etc.). For
a nished look and additional protection, seal this gap on the sides
with backer rod and sealant. If sealant is applied above the drip cap
ensure the sealant bead is discontinuous to allow for drainage.
• Remove protective lm from cladding (if present) immediately after
installation; remove from glass within one year.
• Protect recently installed units from damage from plaster, paint, etc.
by covering the unit with plastic.
• Finish all exposed wood surfaces immediately following installation.
COMPLETE INSTALLATION
8
Low expansion
foam
Continuous
support
Flashing
Rough
opening
Back of
ashing
Sill
Sealant