As a way to effectively clean and prepare your EPDM rubber RV roof for a conditioning treatment, this RV roof cleaner from Dicor is a serious hard worker. Use on its own or team up with its separate acrylic conditioning treatment, this cleaner cuts through some serious dirt. In a one-quart pack, this cleaner covers up to 125 sq feet of rubber roof, enough for at least one treatment. The formulation is super-kind to your roof as it cleans, and contains no harmful petroleum distillates, citric or abrasive ingredients. Simply apply this RV rubber roof cleaner evenly and scrub clean with a sponge mop then rinse thoroughly. Allow to dry before applying your chosen RV roof conditioning treatment.