Great Stuff™ Gaps & Cracks

Great Stuff™ Gaps & Cracks Insulating Foam Sealant is a ready-to-use, minimal-expansion insulating foam sealant that expands up to 1 inch to take the shape of gaps, creating a long-lasting, airtight and water-resistant seal around plumbing and electrical, in basements, attics, and more

• Expands to fills, seals, and insulates gaps up to 1 inch (25mm).
• Forms a long-lasting, airtight, weather-resistant seal (GS-123)
• Helps keep insects, moisture/condensation and allergens out
• Adheres to wood, metal, masonry, glass and most plastics
• Interior/exterior use¹
• Tack-free in 5-15 minutes²; trimmable in one hour
• Paintable, stainable and sandable
• Cream-colored foam for easy identification
• UL Classified

¹ Skin of cured foam can discolor if exposed to natural light. Paint or coat foam for the best results. 

² 70 ± 5°F and 50 ± 5 % RH, 1-inch bead diameter, 6-inch length. The cure rate is dependent on temperature, humidity, and size of the foam bead.