28 X 52 In. Composite Sheet
Firestop Sheet, Fire Rating 4 hr, Fire Resistance Type Intumescent, Firestop Type Sheet/Panel, Overall Width 28 in, Color Silver, Cuttable Yes, Expansion Temperature 350 Degrees F, Flame Spread Index 55, Flame Spread Rating Class C, For Material Type Metal, For Use On Cable Trays, Cable, Ducts, Piping, Market Commercial, Industrial, Residential, Maximum Service Temperature 130 Degrees F, Minimum Service Temperature -10 Degrees F, Resistance Properties Fire Resistant, Sheet Length 52 in.