metacaulk® Firestop Sealant, Series: 150+ Series, 20.2 oz Net Content, Pack Container, Paste Form, Gray/Red, Mild Odor/Scent, 3 to 4 weeks Curing Time, 36 cu-in Coverage Area, 7 to 8 pH, 1.5 Specific Gravity, 212 deg F Boiling Point, <10 g/L VOC, Water Base, Density: 12.5 lb/gal, 3 years Shelf Life, 10 Flame, 0 Smoke Grit, Flammability Limit: 0, Applicable Materials: Fiberglass, Insulated Pipe, Metal, Plastic, Application Method: Caulk Gun, Trowel, Evaporation Rate: >1 %, 40 to 120 deg F