Dow SILL PAN User Manual

US/CANADA . PRODUCT/INSTALLATION INFORMATION . RESIDENTIAL

installation recommendations for

WEATHERMATE™ SILL PAN

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 leftcorner 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.

3-3/4"

32"

Table 1: Features and Beneﬁ ts of WEATHERMATE™ Sill Pan

Feature Beneﬁ t

Molded polymer

Two-piece design Compatible with WEATHERMATE™

Flashings

• 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

• Adjustable to ﬁ t most windowsill widths

• WEATHERMATE™ Flashings at center seam and

on sides help ensure protection against leaks

Figure 1 Figure 2

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).

®™Trademark of The Dow Chemical Company (“Dow”) or an afﬁ liated company of Dow

3. Position second piece, overlapping ﬁ rst piece by a minimum of 2" (51 mm). Press second piece ﬁ rmly into corner of window opening. Nail or staple in place, following embossed instructions on product (Figure 3).

Figure 3

For window openings wider than 5' (1.5 m), install WEATHERMATE Pan in corners, then cut the corner off a third piece. Center this straight length over the two corner pieces, overlapping each side a minimum of 2" (51 mm).

™

Sill

4. Seal overlap seam and top edge of corner pieces with

WEATHERMATE (Figure 4).

Figure 4

5. Install and ﬂ ash window according to manufacturer instructions.

™

Flashing

6. Air seal windows around entire interior perimeter with GREAT STUFF PRO

™

Window & Door

Insulating Foam Sealant (Figure 5).*

Figure 5

GREAT STUFF PRO™ Window & Door Insulating Foam Sealant features a minimal-expanding, pliable formulation that won’t deform windows and doors, when applied properly.

*Consult the label and Material Safety Data Sheet carefully before use.

NOTICE: No freedom from 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 practices 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 represented. The claims made may not have been approved for use in all countries or regions. 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 EXPRESS WARRANTIES ARE GIVEN EXCEPT FOR ANY APPLICABLE WRITTEN WARRANTIES SPECIFICALLY PROVIDED BY DOW. ALL IMPLIED WARRANTIES INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.

Dow Polyurethane Foam Insulation and Sealants

CAUTION: When cured, these products are combustible and will burn if exposed to open ﬂ ame or sparks from high-energy sources. Do not expose to temperatures above 240ºF (116ºC). For more information, consult MSDS, call Dow at 1-866-583-BLUE (2583) or contact your local building inspector. In an emergency, call 1-989-636-4400 in the U.S. or 1-519-339-3711 in Canada.

GREAT STUFF PRO™ Insulating Foam Sealants contain isocyanate and a ﬂ ammable blowing agent. Read the labels and Material Safety Data Sheets carefully before use. Eliminate all sources of ignition before use. Wear long sleeves, gloves, and goggles or safety glasses. Provide adequate ventilation or wear proper respiratory protection. Contents under pressure.

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 speciﬁ c system.

www.insulateyourhome.com

FOR TECHNICAL INFORMATION: 1-866-583-BLUE (2583) FOR SALES INFORMATION: 1-800-232-2436

THE DOW CHEMICAL COMPANY

Dow Building Solutions • 200 Larkin • Midland, MI 48674

Printed in U.S.A.

®™Trademark of The Dow Chemical Company (“Dow”) or an afﬁ liated company of Dow Habitat for Humanity is a registered service mark owned by Habitat for Humanity International

FOR TECHNICAL INFORMATION: 1-866-583-BLUE (2583) (English) • 1-800-363-6210 (French) FOR SALES INFORMATION: 1-800-232-2436 (English) • 1-800-565-1255 (French)

DOW CHEMICAL CANADA ULC

Dow Building Solutions • Suite 2100 • 450 – 1st St. SW • Calgary, AB T2P 5H1

Form No. 179-07304X-0111P&M

178-07012-0111P&M