Non-fibered liquid asphalt roof coating and primer meets ASTM D 4479, Fed. Spec. SS-A-694 D. Easy to apply with paintbrush or mastic type spray gun. Will not separate or settle. Use for resaturation and preservation of most types of composition, built-up, smooth or granulated roll roofing. Also use to coat pipes, gutters, spouts and other structural iron to protect against rust and water damage. Recommended as a primer on dried-out roofing felts and cured concrete decks prior to application of fibered asphalt roof coating. Not for use on shingle roofs. One gallon. |