Pella Double-Hung Window 802X0104 - Manual (Page 5)

5
INTERIOR SEAL
Caution: Ensure use of low pressure polyurethane window and door insulating foams
and strictly follow the foam manufacturer’s recommendations for application. Use of high
pressure foams or improper application of the foam may cause the window frame to bow
and hinder operation.
A. Apply insulating foam sealant. From the interior, insert the
NOZZLE
Note: DO NOT completely fill the space from the back of the
fin to the interior face of the opening.
Interior
5A
A. Apply side flashing tape. Cut two
pieces of flashing tape 4" longer
than the frame height of the window.
!PPLY
" above the top of the
WINDOW
B. Apply top flashing tape. Cut a piece of flashing tape long
ENOUGH
C. Fold down top flap of water resistive barrier (4C).
D. Apply flashing tape to diagonal cuts. Cut pieces of flashing
tape at least 1" longer than the diagonal cuts in the water
resistive barrier. Apply the tape covering the entire diagonal
cut in the water resistive barrier at both upper corners of the
window.
Note: Be sure to overlap the top corners (4D).
Note: The flashing tape must be applied approximately 1/2" onto
the frame cladding at the jambs and head. Pre-folding the tape at
1/2" before removing the paper backing will make it easier to apply
the tape correctly. If the siding is less than 1/2" thick, adjust the
dimension of the fold so the exterior sealant
line will cover the exterior edge of the tape.
4
INTEGRATING THE WINDOW TO
THE WATER RESISTIVE BARRIER
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