Enhanced formula is a blend of proven polyolefin compounds that is even quicker and easier to apply than before. Just mop on and air dry! Tough, polymer coating provides a durable shield that gives your rubber roof a longer lasting, anti-static coating. Reduces the powdery roof chalk that causes ugly grey streaks. Provides extra protection against the elements. 1 quart treats a clean 40' roof 2 or 3 times. Priced each.