Description Low Pressure build that forms a durable, airtight and water-resistant seal between a window or door frame and its rough opening without bowing or bending the window frames. Also can be used for filling and sealing other areas where low-pressure flexible foam is desirable. One 12 oz can foams up to six average sized residential windows (36' x 60", 3/8" wide gap, and 1" deep). Repels and deflects water. Tack free in 8 minutes. Trims within 1 hour. Flexible foam permits expansion and contraction. Paintable, sandable and stainable. Yellow colored foam. Conforms to ASTM & AAMA standards.