Installation Guide
Installation Instructions
for Wood Patio Doors without Exterior Trim or Nail Fin (JII027)
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JII027 01/19
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Gap
Gap
Backer
rod
Sealant
joint
COMPLETE INSTALLATION - CONTINUED
6
Complete Installation
• On the exterior of step down landings, install support trim underneath
the sill where it extends past the landing. Position trim snugly against
the bottom of the silltoe.
• Install drip cap if required or desired. Fold the building wrap (previously
taped up) down over the drip cap and seal the cut ends with self-
adhered ashing or building wrap tape.
Continuous Air Seal
1. Create a continuous air seal on the interior between the rough
opening and the door frame with backer rod and sealant or low
expansion foam. Allow the foam to fully cure and cut ush with a
sharp knife. Make sure the foam cuts cleanly and doesn’t tear.
2. Run a continuous bead of polyurethane sealant on the interior side
of the sill pan to door frame interface and up each side (edge) of the
sill pan to the foam joint. Tool the sealant into a llet joint. This will
tie the llet beads into the existing air seal and provide redundancy to
the existing air seal application.
After Installation
• Do not nail interior trim
to headstop.
• Install exterior wall
surface (cladding)
per manufacturer’s
guidelines.
• Seal any gaps or
openings at end of
horizontal mull joints
with sealant.
• Leave an expansion/
contraction gap of approximately 3/8" between door 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.
• Protect recently installed units from damage from plaster, paint, etc. by
covering the unit with plastic.
• Remove protective lm (if applicable) on glass within one year and
immediately fromcladding.
• Finish all exposed wood surfaces immediately following installation.
Head
stop
Interior
Trim
Head
track
Screw
Operating
panel
Foam
Sealant
Interior
Sill pan