Camco RV Pro-Tec Rubber Roof Protectant is the second step in our 2-step RV rubber roof care system. It is a concentrated blend of powerful ingredients formulated to extend the life of your RV"s costly rubber roof membrane. Contains UV inhibitors that help prevent sun damage to your roof. Minimizes oxidation (chalking) and helps prevent dirt and grime from sticking. Pro-Tec Rubber Roof Protectant forms a protective barrier between your RV"s roof and damaging UV rays, grime and road residue. Use with Pro-Tec Cleaner & Conditioner, the first step in our 2-step RV rubber roof care system.