Dupont Pro Gun Window & Door Foam 20 oz Can - 187273

Great Stuff Pro™ Window and Door Polyurethane Foam Sealant is a one component, expanding, low pressure-build, flexible polyurethane foam exclusively formulated to air seal the gap around a window or door frame and the rough opening. The foam expands to generate an effective seal and when applied properly is proven not to distort or bow window and door frames.