Fire Barrier Spray Application Method Spray Color Gray Container Size 5 gal Container Type Pail Coverage Area 12.8 sq ft per gal @ 1/8 in Drying Time 35 minutes Expansion Temperature Not Applicable Fire Rating 4 hr Firestop Type Spray Flame Spread Index 0 Flame Spread Rating Class A For Material Type All Common Construction Surfaces For Use On Curtainwall Formulation Hybrid polymer Maximum Service Temperature 350 Degrees F Non-Toxic No Paintable No