WEATHERMATEâ„¢ Sill Pan is a translucent, molded polymer that conforms to window openings. The durable polymer will not rust or rot and is compatible with standard adhesives and sealants. Its seamless backdam provides an extra barrier if water finds its way to the back of the sill. Dimensions: 5" h x 3-3/4" d x 32"; 3/8" h backdam (each piece); sold as two-piece assembly that adjusts to fit most window sill widths.
WEATHERMATE™ Sill Pan is part of the complete WEATHERMATE™ Weather Barrier Solutions lineup from Dow – products designed to enhance the performance of the building envelope.
Building Code Compliance
Meets requirements of ASTM E2112.
Related Information
WEATHERMATE™ Sill Pan Product/Installation Information (216KB PDF)
Installation Recommendations for WEATHERMATEâ„¢ Flashing and WEATHERMATEâ„¢ Sill Pan: Rigid Foam Insulation as Weather-Resistive Barrier on a Wood Frame Wall (298KB PDF)
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