Our 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.

• Features
• 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

• Specifications
• Manufacturer Catalog Number : 7000059411
• Color Family (incorporate Product Color) : White
• Fire Rating : 2 Hour
• Overall Length (Imperial) : 246 in
• Overall Length (Metric) : 6.248 m
• Overall Thickness (Imperial) : 0.5 in
• Overall Width (Imperial) : 4 in
• Overall Width (Metric) : 102 mm
• Suggested Application 1 : Packing material is a part of many through-penetration firestop systems and may be used around metallic, nonmetallic, insulated pipe, HVAC and power and communication cable penetrants. In typical commercial and industrial construction, 3M™ Fire Barrier Packing Material PM4 can be used in gypsum and concrete assemblies. In marine applications, 3M™ Fire Barrier Packing Material PM4 is used at bulkhead locations. In residential and non-combustible construction applications, the product can be used as a stand-alone fireblock material.
• Water-tight : No