The Metacaulk Fire Rated Putty Stick is a moldable intumescent putty rated for up to 3-hours for preventing the spread of flames, smoke, gas, and water through openings in walls and ceilings.
The Metacaulk Putty Pads are easily moldable onto electrical boxes or conduits which will expand when exposed to heat preventing the spread of flames, smoke, gas, and water through openings.
