3M 12.85 oz. Cartridge FIP 1-Step Fire Barrier Foam

Designed to expand up to 5 times in volume after dispensing, 3M Fire Barrier Rated Foam FIP 1-Step is a two-part urethane, smoke, sound and firestopping foam. This intumescent foam can be used to fill the annular space created by pipes and cables penetrating through fire-rated construction. Its an alternative to mineral wool, bricks, pillows and runny, ineffective foams and is UL listed.|Firestop tested and rated up to 2 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115|Sag resistant, quick curing formulation that expands up to 5 times in volume during installation|Intumescent foam expands when exposed to fire|Re-enterable and repairable foam remains pliable after installation|Excellent adhesion and does not require backing material in wall or floor applications|Paintable with primer