Great Stuff Pro Window & Door 20 Oz. Gun FoamIs applied with a foam dispensing gun for greater precision and access to hard to reach places Comes in a can thats reusable for up to 30 days, minimizing waste Expands just enough to seal gaps without bowing or bending the frame, when applied appropriately Bonds to vinyl, wood and metal frames Forms a durable, airtight and water resistant seal that can lower energy bills Fills 16 18 windows Repels and deflects water Tack free in 3 10 minutes, trims