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3M PM4 Fire Barrier Packing Materials
This product has been discontinued.
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.
- May be used around metallic, nonmetallic, insulated pipe, HVAC and power and communication cable penetrants
- With the appropriate depth of caulk or sealant, the listed systems using PM4 have F Ratings of up to four hours
- Easy to transport and carry, convenient, hand-tear dispensing, less irritating to skin
Brand | 3M |
Color | Off WhiteWhite |
Size | 4 in x 20.5 ft |
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