Installation Guide
COMPLETE INSTALLATION
8
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 lletshape.
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.
Sealant
After Installation
• Install exterior wall surface per manufacturer’s 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.
Low expansion
foam
Continuous
support
Flashing
Rough opening
Back of
ashing
Sill
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JELD-WEN reserves the right to change product specications without notice. Please check our website, jeld-wen.com, for current information. 07/16
Installation Instructions
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
Please visit jeld-wen.com for warranty
and care and maintenance information.
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