Metacaulk RS136 10.3 Oz. Fire Block/Draft Stop

RS136 is a fire block/draft stop caulk is a general purpose, residential, acoustical fire block/draft stop smoke seal caulk for electrical, plumbing, plastic pipe, and telephone communication system penetrations. Easy application with a conventional caulking gun with water clean-up capabilities. For interior application. Tested in accordance with ASTM E136 for fire resistant materials.