3M FIRE BARRIER MORTAR OFF WHITE W/DARK FLECKS UP TO 2 1/2 INCHES(7000031967) 44LBS
3M™ Fire Barrier Mortar is a lightweight, gypsum-based powder that mixes with water to form a heat-absorbing firestop for through penetrations in fire-rated floor or wall assemblies. Versatile mortar can be mixed self-leveling or non-sag and adheres to a range of construction substrates and penetrants. It also acts as a heat sink, reducing the chance…
