Metacaulk RS 136 Series 66408 Fire Block/Smoke Seal Caulk, Red, 40 to 100 deg F, 10.3 oz Cartridge

RS 136 Draft stop/fire block caulk is a general-purpose, residential, acoustical fireblock/smoke seal caulk for electrical, plumbing, plastic pipe and telephone communication systems penetrations. Easy application with a conventional caulking gun with water cleanup capabilities.