Firestop Putty Pads are convenient and easy-to-use intumescent firestopping pads designed to seal around electrical boxes in firewall systems. These life-saving putty pads will restore and maintain the hourly rating of your firewall and restrict fire, smoke, and other toxic gases from breaching the firewall in a fire emergency. They’re easy to install and contain no asbestos fillers. UL Classified for 1 & 2 hour gypsum fire-rated wall systems.
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