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 is used to fill the annular space created by pipes and cables penetrating through fire-rated construction. This product is UL listed and is an alternative to mineral wool, bricks, pillows and runny, ineffective foams.

Features:
Firestop tested and rated up to 2 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115Sag 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

12.85 oz cartridge