Great Stuff™ Big Gaps (12 oz) is a high-expansion polyurethane insulating foam designed to fill, seal, and insulate gaps up to 3 inches.
This professional-grade foam expands to form a long-lasting, airtight, and water-resistant seal, making it ideal for large voids, penetrations, and irregular spaces inside and outside the home.
Perfect for contractors and DIY installers, Great Stuff Big Gaps improves energy efficiency, prevents drafts, and reduces pest intrusion.
