Dow WEATHERMATE™ SILL PAN - Manual

US/CANADA . PRODUCT/INSTALLATION INFORMATION . RESIDENTIAL
installation recommendations for
WEATHERMATE™ SILL PAN
®™Trademark of The Dow Chemical Company (“Dow”) or an affi liated company of Dow
Figure 1 Figure 2
WEATHERMATE ™ Sill Pan is
a translucent, molded polymer
sill pan for fl ashing the base of
windows. The innovative two-piece
construction can be adjusted to fi t
most windowsill widths, providing a
continuous shield against water
infi ltration, even in sill corners.
For features and benefi ts of
WEATHERMATE ™ Sill Pan, refer
to Table 1.
Properties
WEATHERMATE ™ Sill Pan is sold as
a two-piece assembly that includes
a right-corner piece and a left-
corner piece. The integrated corner
design provides another layer of
protection against water intrusion.
And the two pieces facilitate easy
adjustment to fi t most windowsill
widths. WEATHERMATE ™ Sill Pan
works best when the windowsill
is sloped to the exterior. Shims,
if necessary, should be placed
underneath WEATHERMATE ™
Sill Pan.
Dimensions
5" h x 3-3/4" d x 32" w (13 cm h x
9.5 cm d x 81 cm w) (each piece)
Installation
WEATHERMATE ™ Sill Pan is easy to
install.
1. Position one piece of
WEATHERMATE ™ Sill Pan along
the base of window rough opening,
lapping over water-resistive barrier
(Figure 1).
2. Press fi rmly against corner of
window opening. Nail or staple
in place, following embossed
instructions on product (Figure 2).
Table 1: Features and Benefi ts of WEATHERMATE™ Sill Pan
Feature Benefi t
Molded polymer • Manufactured to ensure a consistent thickness
• Conforms to window openings
• Assists positive drainage of water to the exterior
• Will not rust or rot
• Compatible with standard adhesives and sealants
Two-piece design • Adjustable to fi t most windowsill widths
Compatible with WEATHERMATE ™
Flashings
• WEATHERMATE ™ Flashings at center seam and
on sides help ensure protection against leaks
32"
32"
5"
3-3/4"