Forms a tight barrier against fire, smoke and toxic fumes. Suitable for a wide variety of through-penetration fire stops, including cable, metal pipe, insulated pipe, glass pipe, construction gaps, HVAC ductwork and certain plastic pipe applications. Cures to form a flexible seal, installs with a standard caulking gun, pneumatic pumping equipment or putty knife. ASTM, FM and U.L. tested for 3 hour fire penetration seal for walls and floors.
- Size : 10.1 Oz
- Premium Latex based
- Easy clean up, no special handling, routine disposal
- Expands when heated to seal around items consumed by fire
- Absorbs heat energy, releases chemically bound water
- Tack-free in approximately 10-15 minutes