Cable Cover Protection

• Firestop tested for through penetration applications for up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
• Sealant designed to help minimize sound transfer
• Water-based and paintable sealant provides easy application and clean-up
• Exceptional adhesion for long-term performance

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.