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Fire Barrier Packing Material (PM4)

SKU:
PM4
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Product Description

3M™ Fire Barrier Packing Material PM4 is designed and fully approved as an alternative packing material to mineral wool, fiberglass and backer rod in UL-listed through-penetration 3M firestop systems. Strong, flexible and non-combustible per ASTM E 136, this non-asbestos mold-resistant material is fully portable and can be installed without tools.
  • Inorganic, non-asbestos material is an excellent alternative to mineral wool, fiberglass or backer rod
  • Easy to use – smooth woven material pulls out quickly and tears off by hand without tools
  • Mold resistant per ASTM C 1338
  • Less irritating to skin vs. mineral wool
  • Fully portable for fast, easy installation
  • UL-listed forming material for use in through penetration firestop systems

1/2" thick x 4" wide x 20.5 ft. length 

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