Have this Great Stuff Pro Window & Door Spray Foam Insulation delivered to your job site. Low pressure-build formulation is designed not to distort or bow window and door frames when applied correctly. Is 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. Offers greater insulation value than chinked fiberglass or caulk. Forms a durable, airtight and water-resistant seal that can lower energy bills. Foams 16-18 windows.