Installation Guide

Copyright ©2016 E. I. du Pont de Nemours and Company. All Rights Reserved. K27349 Version 4/16 16
Installation of Integral Flanged Windows in Recessed Openings
Before Water-Resistive Barrier (WRB) Is Installed
A
Rough Opening
Area
No Fasteners Area
No Fasteners Area
12”
8”
8”
8”
Rough Opening
Area
6”
6”
6”
6”
B
C
D
D
E
F
Tyvek
Flashing Tape
Tyvek
Flashing Tape
Tyvek
Flashing Tape
Tyvek
Flashing Tape
Tyvek
Flashing Tape
Tyvek
Flashing Tape
Tyvek
Flashing
B-12 Install and Integrate DuPont
™
Tyvek
®
WRB
A. Install the DuPont
™
Tyvek
®
WRB according to the DuPont
™
Tyvek
®
Air- and
Water-Resistive Barrier Installation Guidelines. Do not install fasteners within
8" of the rough opening along jambs and head and within 12" along the sill.
B. Mark a perimeter box 6" away from the rough opening sill, jambs and head.
C. Cut the DuPont
™
Tyvek
®
WRB along perimeter marking to expose window
and DuPont
™
Tyvek
®
WRB frame below. Do not cut DuPont
™
Tyvek
®
WRB
frame underneath.
D. Create 6" horizontal slits in the DuPont
™
Tyvek
®
WRB at each lower corner of
the perimeter cut.
E. Bring the bottom portion of the DuPont
™
Tyvek
®
WRB frame through the
slits so it laps over the top layer of DuPont
™
Tyvek
®
WRB.
F. Tape seams at bottom, sides, and top of rough opening using DuPont
™
Tyvek
®
Tape.