3M™ Fire Barrier Mortar, 44 lb (20 kg) bag

3M™ Fire Barrier Mortar is a lightweight cementitious firestop with variable mix ratios for use in through penetration applications. It allows up to three hours of fire protection in tested and listed systems.

When properly installed, the 3M™ Fire Barrier Mortar helps prevent the spread of fire, smoke and noxious gases. The mix ratio can be varied from one part water to two parts powder for self-levelling and one part water to three parts powder for trowelable mortar. For vertical surfaces, use three parts mix to one part water.

• Off-white with dark flecks, ready for mixing with potable water.
• 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

Suggested Applications

• Intended for use in through penetration applications
• Firestopping and sealing mechanical and electrical service penetrations
• Blank openings and large annular spaces
• Floors and other applications requiring self-leveling material