Great Stuff Window & Door Insulating Foam Sealant is specially formulated to air seal the gap between a window or door frame and its rough opening. Low pressure formulation proven to not distort or bow window and door frames when properly installed. Expands to take the shape of gaps, creating a long lasting, airtight and water resistant seal. Paintable, stainable and sandable. New Smart Dispenser design eliminates mess and product waste by providing a precise application with no drips. The application is maneuverable and intuitive to use with a simple, trigger gun which saves time. The Smart Dispenser allows the user to reuse Great Stuff for up to 30 days.