No Warp Foam Sealant, 12 oz. White

Experience a smarter way to seal and insulate around windows and doors. This low-pressure expanding polyurethane foam fills gaps evenly—without bowing frames or warping wallboard—so you can overfill without worry. Its bright white finish dries tack-free in 10 minutes and can be sanded or painted in just one hour, delivering professional results faster.

Formulated for superior energy efficiency and moisture resistance, No Warp Foam Sealant stops drafts, blocks air infiltration and helps prevent water damage. Ideal for both interior and exterior use, it comes with a reusable straw applicator so you can tackle multiple projects with a single can.

Key Features

• Low-pressure expanding formula won’t warp frames or drywall
• Fills and air-seals better than fiberglass
• Bright white foam: paintable and sandable in 60 minutes
• Tack-free in 10 minutes for faster job completion
• Blocks air drafts and moisture intrusion
• Fire-retardant, Class A rated under ASTM E84/UL 723
• Meets AAMA 812-04 requirements for windows and doors
• Reusable straw adapter for multiple applications per can