Great Stuff Gaps & Cracks, 12 oz. helps you reduce drafts and save energy with its ready-to-use polyurethane insulating foam sealant. This sealant expands to fill gaps up to 1 inch (25mm) in diameter, creating a long-lasting, airtight, and water-resistant seal. It is reusable for up to 30 days, allowing you to use it again and again with precise, greater control. The foam becomes tack- in 5 to 15 minutes and can be trimmed in just one hour, making it convenient and efficient for your sealing needs. Model Number: 99108824