Installation Guide

ManualsBrandsNashua Tape ManualsBuilding materials6 in. x 600 in. Select Window and Door Flashing Tape

Window Flashing Application -

Method A

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® 527-20

Flashing Tapes. Method A is jamb ashing

applied over the window frame using typical

building paper. Figure 1 is an exploded view

showing the ashing sequence.

Prepare opening and surrounding substrate. Keep sub-

strate surface clean, dry, and smooth around the perim-

eter (see Figure 2).

Figure 2 Prepare Rough Opening

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 sill ashing tape to extend a

minimum of 6" beyond the rough opening at both jambs.

(See Options below). Score the backside of Nashua sill

ashing, cutting lightly through release liner a few inches

from top edge to act as a substrate adhering edge. Keep

bottom portion of release liner on the Nashua sill ashing

until removed later.

Apply Nashua sill 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. Window – Method A

Step 1

Step 2

Step 3

Options:

Apply split sheet of weather re-

sistant barrier (WRB) across sill.

Then apply Nashua® sill ashing

tape over the WRB.

Step 4

Install window in opening (see

Figure 5).

Figure 5 Install window into

ashed opening.

Summary of content (2 pages)

PAGE 1
Window Flashing Application Method A The following diagrams illustrate window flashing installation procedures according to Method A from ASTM E2112-07 Standard Practice for Installation of Exterior Windows, Doors and Skylights using Nashua® 527-20 Flashing Tapes. Method A is jamb flashing applied over the window frame using typical building paper. Figure 1 is an exploded view showing the flashing sequence. 4 5 1 3 6 2 Optional head flashing Figure 1 Flashing sequence steps.
PAGE 2
Window Flashing Application - Method A Step 5 Precut Nashua jamb flashing tape to extend a minimum of 6” above and below the rough opening. Peel off release liner and adhere Nashua jamb flashing over the jamb fins and over top of Nashua sill flashing (see Figure 6). Figure 6 Apply Jamb Flashing Step 6 Precut Nashua head flashing tape to extend a minimum of 6” beyond the jambs of the rough opening. Peel off release liner and adhere Nashua head flashing over window fin and substrate.