Best Seller | 3M CS-195+3X3-BOX* Fire Barrier Composite Sheet,36 x 36 In. Firestop Sheet, Fire Rating 4 hr, Fire Resistance Type Intumescent, Firestop Type Sheet/Panel, Overall Width 3 ft, Roll Length 3 ft, Color Silver, Features Anchor Sheets to The Wall or Floor with Common Tools, Cut to Fit Irregular Shapes, For Use On... ... more 3M CS-195+3X3-BOX* Fire Barrier Composite Sheet,36 x 36 In. Firestop Sheet, Fire Rating 4 hr, Fire Resistance Type Intumescent, Firestop Type Sheet/Panel, Overall Width 3 ft, Roll Length 3 ft, Color Silver, Features Anchor Sheets to The Wall or Floor with Common Tools, Cut to Fit Irregular Shapes, For Use On... | | $519.99 go to store |