Firestop Strip, Fire Rating Not Rated, Fire Resistance Type Intumescent, Firestop Type Tape, Overall Width 2 in, Roll Length 18 ft, Color Black, Expansion Temperature 575 Degrees F, Features Freeze/Thaw Characteristics, Flexible, Forms a Very Hard Char When Burned, Flame Spread Index 5, Outer Material Intumescent, Resistance Properties Fire , Smoke Developed Index 5