3M CP-25WB+/10.1 10.1 Oz. Fire Barrier Sealant (Pack of 1)

Firestop tested for through penetration applications up to 4 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115 Applied with conventional caulking equipment with excellent caulk rate Size:10.1 Oz A premium intumescent latex-based sealant offering outstanding fire performance Plus a non-halogen formula. Intumescent-expands when heated to seal around items consumed by fire. Endothermic-releases chemically bound water to cool exposed surfaces when properly installed, this product provides up to 4-hours fire protection in tested and listed systems.