Metacaulk® Putty is a mold-able non-curing one com-ponent fire-rated material for through penetration firestop systems. Metacaulk® Putty will intumesce when heated, forming an insulating char. In the event of a fire, Metacaulk® Putty will prevent the spread of flames, smoke, gas and water through penetration openings. Metacaulk® Putty is applied by hand. Mixing is never required and no special skills are necessary for installation
Use Metacaulk® Fire Rated Putty for various penetrations: Small Openings, EMT Pipe,Steel, Conduit, and Cabling, (Telephone, Power, Communications) and metal or nonmetallic Electrical Boxes.