Firestop Mortar Bag Application Method Trowel Color Red Container Size 22 lb Container Type Bag Expansion Temperature Not Applicable Fire Rating 2 to 3 hr Firestop Type Mortar Flame Spread Index 0 Flame Spread Rating Class A For Material Type Concrete floors concrete walls For Use On Blank opening busway cables cable tray metal pipe multiple penetrants plastic pipe Formulation Cement Based Maximum Service Temperature 200 Degrees F Non-Toxic No Paintable Yes