Installation Guide

527-20
SELECT WINDOW & DOOR FLASHING TAPE
Window Installation Instructions
The following diagrams illustrate window
ashing installation procedures according
to Method A from ASTM E2112-07 Standard
Practice for Installation of Exterior Windows,
Doors and Skylights using Nashua
®
Select
Window & Door Flashing Tape. Method A
is jamb ashing applied over the window
frame using typical weather resistant barrier
materials. Figure 1 is an exploded view
showing the ashing sequence.
For additional installation methods, please
consult ASTM E2112.
Prepare opening and surrounding substrate. Keep
substrate surface clean, dry, and smooth around the
perimeter (see Figure 2).
1
Figure 2 Prepare Rough Opening
3
BEAD
SEALANT
CONTINUOUS
Step
Figure 4 Apply Perimeter Sealant
Apply sealant around
perimeter opening or
to backside of window
n at top, sides, and
bottom (see Figure 4).
Precut length of Nashua ashing tape to extend a
minimum of 6" beyond the rough opening at both jambs.
(See Options below). Score the backside of Nashua
ashing, cutting lightly through release liner a few inches
from top edge. Remove the top portion of the liner but
keep bottom portion of release liner on the Nashua
ashing until removed later in Step 7.
Apply Nashua ashing tape across the rough opening of
the sill (see Figure 3).
Figure 3 Apply Sill Flashing
Optional head flashing
Figure 1 Flashing sequence steps
1
2
3
4
5
6
STEP 1 - PREPARE
STEP 2 - SILL FLASHING
STEP 3 - SEALANT
Options:
Apply split sheet of
weather-resistant barrier
across sill. Then apply
Nashua sill ashing tape
over the weather-resistant
barrier.
STEP 4 - INSTALL WINDOW
Install window in opening (see
Figure 5).
4
St
ep
Figure 5 Install window into
ashed opening.
KEEP RELEASE
LINER ON
LOWER PORTION
THROUGH STEP 7