Gallon, Black, Storm Patch & Seal, All-Weather, Elastomeric, Asphalt Wet/Dry Patch/Roof Cement, Low VOC & Asbestos Free, Ideal For Sealing Roof Leaks On Wet Surfaces, It Actually Displaces Water From Wet Surfaces & Effects A Tight Seal, Even In A Driving Rain Or Under Water, It Is Effective In Wet Or Dry, Hot Or Cold Weather Conditions, Can.