OSI RF140 Roof & Flash Sealant is a roof & flash sealant manufactured used for roof shingles, flashing, general roof repairs and great for fixing minor cracks in asphalt roof surfaces.
RF140 is primarily used for bonding roof shingles, flashing and all general roof repairs, making minor repairs inside gutters and downspouts, exellect for fixing minor cracks in asphalt surfaces.
Not recommended for use inside occupied structures or in enclosed spaces; use as an expansion joint control sealant; bonding polystyrene foams, polypropylene or polyethylene plastics; continuous water immersion.