Metacaulk RS136 10.3 Oz. Fire Block/Draft Stop Router Bits which is an oxygenate additive

which is an oxygenate additive

Meets ASTM and ASME standards

will not harm plastic or steel pipes when used in recommended amounts

Uses commonly available replacement parts

CONTAINS: 2

Metacaulk RS136 10.3 Oz. Fire Block/Draft Stop Router Bits which is an oxygenate additiveRS136 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.