Step one of a two-step treatment that removes black streaks, oxidation and road film build up on your rubber roof and helps protect it from further damage. Specially formulated blend of surfactants and conditioners deep cleans and conditions your rubber roof, helping to extend its life when used before Pro-Tec Rubber Roof Protectant. | Camco Pro-Tec Rubber Roof Cleaner, 32 oz in Black