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3M™ Fire Barrier Mortar

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    • Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) & CAN/ULC S115
    • UL-listed systems
    • Excellent adhesion (bonds to concrete, metals, wood, plastic and cable jacketing)
    • Halogen-free formula
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    • Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) & CAN/ULC S115
    • UL-listed systems
    • Excellent adhesion (bonds to concrete, metals, wood, plastic and cable jacketing)
    • Halogen-free formula
    • Water clean up

    A cost-effective lightweight, cementitious firestop with variable mix ratios for use in through penetration applications. Up to 3-hour fire protection in tested and listed systems. Off-white with dark flecks, ready for mixing with potable water.

    When properly installed, this product helps prevent the spread of fire, smoke and noxious gases. Mix ratio can be varied from 1 part water to 2 parts powder for self-leveling and 1 part water to 3 parts powder for trowelable mortar. For vertical surfaces, use 3 parts mix to 1 part water.

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