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3M Fire Barrier 11.25-in to 11.25-in H Intumescent Fire Protection Pillow

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  • Firestop tested for up to 3 hours of protection in accordance with ASTM E 814 (UL 1479)

  • Expands to form a hard char that tightly seals against flame spread, smoke and toxic gases

  • Re-enterable and re-useable for new or retrofit installations

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