3M PM4 Fire Barrier Packing Material

Product Description

3M PM4 Fire Packing is a 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.
  • Non-combustible material (ASTM E 136)
  • Meets ASTM C 1338 Standard Test Method for Determining Fungi Resistance of Insulation Materials and Facings
  • Approved for use in all UL-listed through penetration 3M firestop systems
  • Hand tearable
  • 1/2 in. thick x 4 in. wide x 20.5 ft. length 

Availability: Usually Ships Same Day

Part # Description Price Qty
PM4 Dimensions 1/2" x 4" x 20.5' each: 21.25