Keep smoke and fire from spreading through buildings
Fire Seal Poke-Thru prevents fire and smoke from traveling through floor openings used for power and telephone wiring. Device mounts into 13/8-in. hammer-drilled holes in metal deck or reinforced concrete slabs. Upon installation, high-temperature pyrolastic seal expands against openings to block smoke and fire from floor to floor. Comes with stainless steel clamp that grips flexible metal conduit or armored cable. A split in the seal grommet accommodates communication cables.