Dow WEATHERMATE™ Straight Flashing - Manual (Page 2)

b. Install a drip cap, if
applicable.
c. Next, install WEATHERMATE ™
Straight Flashing along head-
er. Complete overlap the
entire width of the jamb
flashing.(Figure 4).
Step 5:
Fold housewrap flap down and
secure with WEATHERMATE
™
Construction Tape (Figure 5).
Air seal windows around
entire interior perimeter with
GREAT STUFF
™ Pro Window &
Door insulating foam sealant.
Step 2:
Install WEATHERMATE
™ Sill
Pan according to complete
manufacturer installation
instructions (Figure 2). Seal
overlap seam and top edge
of corner pieces with
WEATHERMATE
™ Straight
Flashing or WEATHERMATE ™
Flexible Flashing. Note:
WEATHERMATE
™ Sill Pan
works best when the window
sill is sloped to the exterior.
Alternatively, install a backdam
and WEATHERMATE
™ Flexible
Flashing on the sill. For com-
plete details, refer to the
WEATHERMATE
™ Flexible
Flashing product/installation
information sheet (Form No.
179-07302).
Step 3:
a. Apply sealant at window jambs
and head only. Or back-caulk
the window, applying sealant
on the back side of the nailing
flange (Figure 3). Make sure
sealants, housewraps and flash-
ings are chemically compatible.
b. Install window, plumb,
level and square, per manu-
facturer instructions. Shims
Printed in U.S.A. ®™Trademark of The Dow Chemical Company (“Dow”) Form No. 179-07303-0913MCK
or an affiliated company of Dow
IN THE U.S.:
• For Technical Information: 1-866-583-BLUE (2583)
• For Sales Information: 1-800-232-2436
THE DOW CHEMICAL COMPANY
• Building Solutions • 200 Larkin • Midland, MI 48674 • www.insulateyourhome.com
NOTICE: No freedom from infringement of any patent owned by Dow or others is to be inferred. Because use conditions and applicable laws may differ from one location to another and may change with
time, Customer is responsible for determining whether products and the information in this document are appropriate for Customer's use and for ensuring that Customer's workplace and disposal prac-
tices are in compliance with applicable laws and other government enactments. The product shown in this literature may not be available for sale and/or available in all geographies where Dow is repre-
sented. The claims made may not have been approved for use in all countries. Dow assumes no obligation or liability for the information in this document. References to “Dow” or the “Company” mean
the Dow legal entity selling the products to Customer unless otherwise expressly noted. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICU-
LAR PURPOSE ARE EXPRESSLY EXCLUDED.
Building and/or construction practices unrelated to building materials could greatly affect moisture and the potential for mold formation. No material supplier including Dow can give assurance that mold
will not develop in any specific system.
should be placed under
WEATHERMATE Sill Pan, if
necessary.
c. Prepare substrate surface as
necessary to ensure it is
clean, dry and free of grease,
dust or debris.
d. A spray adhesive, such as
3M High Strength 90, is
recommended if applying
WEATHERMATE Flashings
directly to OSB or other
surfaces where additional
adhesion may be required.
Step 4:
a. Apply WEATHERMATE
™
Straight Flashing along
window jambs, overlapping
WEATHERMATE
™ Sill Pan
or other sill flashing. Always
use firm pressure to press
WEATHERMATE™ Straight
Flashing into place. Consider
using a hand roller or
smoothing tool to ensure a
tight seal. Do not stretch
flashing or force changes in
directional line as this can
cause wrinkling and chan-
nels that prevent a smooth
tight seal to the substrate.
P R O D U C T / I N S T A L L A T I O N
I N F O R M A T I O N
Figure 2
Figure 3
Figure 4
Figure 5
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