+1 ReJex It was formulated for the military to protect aircraft from jet engine exhaust gases. It goes on easy and dries to a slight haze. then just wipe the hase off. It's the easiest "protectant" I've ever used. I do the entire MH, windows, seals, graphics and TPO roof. Be sure and FOLLOW the directions. It's very important to apply when temperature is below 85f and allow to cure 12 hours out of direct sunlight. This allows it to cure and properly adhere to the surface. For routine cleaning most everything washes right off with just a hose spray nozzle. The 16oz bottle does my 31' with some to spare. A little goes a long way!