3M - 3M 7000031968 3M™ Fire Barrier Mort

3M Fire Barrier Mortar is a lightweight, gypsum-based powder that mixes with water to form a heat-absorbing firestop for through penetrations in fire-rated floor or wall assemblies. Versatile mortar can be mixed self-leveling or non-sag, and adheres to a range of construction substrates and penetrants. It also acts as a heat sink, reducing the chance of fire on unexposed sides of the assembly. Features: Ready-to-mix pumpable mortar is deal for firestopping large annular spaces and floors; Lightweight mortar designed to absorb heat, reducing chance of combustion on unexposed sides; Polypropylene-fiber reinforced powder mixes with water for self-leveling or non-sag applications; Contains no asbestos, MMMF or halogens; Firestop tested for up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC-S115