GREAT STUFF™ Fireblock Insulating Foam Sealant is a ready-to-use, minimal-expansion insulating foam sealant that fills and insulates gaps up to 3/4 inch to restrict airflow. This distinctly orange solution seals electrical wiring run through wall studs as well as service penetrations in walls and between floors to provide a simple, cost-effective way to maintain the continuity of an approved fire block material throughout the house.
- Fireblock insulating foam sealant
- Reusable for up to 30 days with the Smart Dispenser(TM)
- No drip dispensing eliminates mess
- Easy to use, with greater control
- Impedes spread of fire and smoke through service penetrations
- Forms a long-lasting, weathertight seal to minimize drafts
- Tested according to ASTM E84, ASTM E814 (modified), UL 1715
- Seals service penetrations between floors
- Seals electrical runs through wall studs
- Tack free in 5-15 minutes
- 340 g (12 oz)
- **NOTE** This product is not fire-resistant. It is combustible and can NOT be use in Fire-Stop applications