Big gaps call for big seals. GREAT STUFF SMART DISPENSER Big Gap Filler Insulating Foam Sealant fills, seals and insulates larger gaps, providing a water-resistant barrier to help minimize unwanted airflow and improve energy efficiency in high-loss areas.
- Reusable up to 30 days; use it again and again
- Expands to fill, seal, and insulate gaps up to 3 inches (76mm)
- Forms a long-lasting, airtight, weather-resistant seal
