GREAT STUFF PRO Gaps & Cracks Insulating Foam Sealant is minimal expansion polyurethane insulating foam sealant that fills, seals and insulates gaps up to 3 inches. The average home has a half mile of gaps and cracks where air and moisture can enter. Air sealing and insulating projects around the home can typically save homeowners up to 30% on home energy costs. Seal out energy loss and improve comfort with GREAT STUFF Gaps and Cracks Insulating Foam Sealant. * . Use with gun for precise control for filling, sealing and insulating gaps and cracks up to 3 in. Restartable up to 30 days for virtually no waste.Orange colorExpands to form airtight and water-resistant seal. Adheres to wood, metal, masonry, glass and most plastics.Offers greater insulation value than chinked fiberglass or caulkApproved for use as a fire block - orange color for visibilityExpands to fill the shape of the gap and crack and adheres to wood, vinyl, metal surfaces and other building materialsHelps keep out moisture/condensation and allergensOne 24 oz. can (gun-applied) is the equivalent up to 22 quart tubes of caulk.Easy to clean up uncured foam with GREAT STUFF PRO Gun Cleaner24 Oz. size