Smoke and Acoustical Caulk Application Method Caulk Gun Color White Container Size 5 gal Container Type Pail Drying Time 2 hr Expansion Temperature Not Applicable Fire Rating Not Rated Fire Resistance Type Smoke Acoustical Firestop Type Sealant/Caulk Flame Spread Index 5 Flame Spread Rating Class A For Material Type All Common Construction Surfaces For Use On Busways Cabling Conduits Pipes ptraps outlet boxes smoke partitions Formulation Latex Based