AERVOE® Asphalt Roof Primer, Liquid Primer, 20 oz Net Content, Black, Odor/Scent: Hydrocarbon, Composition: Petroleum Asphalt, Hydrocarbon Propellant, Aliphatic Hydrocarbon and Aliphatic Petroleum Distillates, 24 hr Dry Time, 3 to 4 hr Recoating Time, 50 to 120 deg F, 0.78 Specific Gravity, 60 % VOC