Low-pressure build that forms a durable, air-tight 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 ft x 60 in, 3/8 in W gap and 1 in D). Repels and deflects water. Tack free in 8 mins. Trims within 1 hr. Flexible foam permits expansion and contraction. Paintable, sandable and stainable. Yellow colored foam. Conforms to ASTM and AAMA standards.