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Intumescent firestop to prevent the spread of fire through electrical boxes.
Highly intumescent, the Metacaulk® Cover Guard™ will expand and prevent the spread of flames in an electrical box.
Metacaulk® Box Guard™ is a fire-rated pad inserted on the inside back wall of an electrical box and is a highly intumescent firestop material.
Intumescent putty pads and putty sticks are moldable to seal around through-penetration openings to prevent the spread of flames, smoke, gas, and water.