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Packing Material PM4
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 firestop systems.
With excellent strength and flexibility characteristics it is an ideal through-penetration packing material
- Fire resistance up to 4 hours in accordance with ASTM E 814 (UL1479).
- Convenient, hand-tear dispensing.
- Approved for use in all UL-listed through penetration 3M firestop systems.
- Less irritating to skin.
- Roll size: 0.5 in. x 4 in. x 20.5 ft. (12,7mm x 101,6mm x 6,24 m).