DEHCO 16-44128-4 Roof Coating - 1 Gallon Withstands the harshest environmental elements Use over rubber roofs, seals seams and tears, seals mounting sites for vents and air conditioners High level of exterior durability, 40percent greater adhesion to rubber, U.V. resistant Expands and contracts with roof Resists cracking, withstands impacts, non polluting and non toxic