METACAULK Firestop Sheet,Black,Intumescent,4"L

Firestop Sheet, Fire Rating 3 hr, Fire Resistance Type Intumescent, Firestop Type Gasket Insert, Overall Width 0.11 in, Roll Length 4 in, Color Black, Features For Safe Retrofit Applications, Reduces Sound Transmission, Flame Spread Index 5, Outer Material Intumescent, Resistance Properties Fire Resistant, Smoke Developed Index 5