Great Stuff Gaps & Cracks Insulating Foam Sealant 12 oz. is a high-performance polyurethane spray foam designed to seal out drafts, moisture, and pests around your home. Its ready-to-use formula expands uniformly to fill gaps and cracks up to 1" in diameter, creating an airtight, weather-resistant barrier that improves energy efficiency and comfort. The convenient 12 oz. canister comes with a straw applicator for pinpoint accuracy in tight spaces—ideal for sealing around windows, doors, pipes, and vents.

Once cured in about 8 hours to a rigid, durable foam, this cream-colored sealant can be painted or stained to blend seamlessly with your décor. With minimal expansion and coverage of up to 120 linear feet per can, Great Stuff Gaps & Cracks delivers long-lasting performance and helps reduce heating and cooling costs.

Key Features

• Ready-to-use polyurethane formula expands to fill gaps up to 1" diameter
• Precision straw applicator for targeted application
• Creates an airtight, water-resistant, pest-resistant seal
• Paintable and stainable once fully cured
• Cures in approximately 8 hours to a rigid, durable foam
• Minimal expansion to prevent overfill
• Covers up to 120 linear feet per 12 oz. canister