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3M Expantrol Flexible Intumescent Strip
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3M Fire Barrer Pass-Through Device Foam Plugs
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An intumescent tape that expands in a fire to seal door frames and glazing applications to help prevent the passage of fire, smoke and toxic gases.
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3M Fire Barrier Pass-Through Device. These foam plugs enhance the Cold and Hot smoke seal (device can achieve UL classified L-Rating with foam plugs and 3M Fire
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3M Fire Barrier Packing Material
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3M Fire Block Foam
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An easy-to-dispense, non-asbestos, inorganic material designed to be used as an alternative packing material to mineral wool, fiberglass and backer rod in through-penetration
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Foam-in-place fireblock and draftstop for non-rated residential and commercial construction. Meets ASTM E 84 (mod) Class 1 for smoke spread and flame development and has been
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