Starbrite RV Rubber Roof CleanerStarbrite's new line of RECREATIONAL VEHICLE CARE products is engineered to clean, maintain, protect and enhance the appearance and value of RVs and travel trailers. All of these Premium RV products are formulated utilizing the company's 45 years of experience creating products designed for the saltwater marine environment, the toughest conditions any fiberglass, paint or metal surfaces can face. As with all Star brite products, they are easy to use, provide professional grade results and are a great value.Features: Formulated to loosen & lift dirt and debris so it can be removed without heavy scrubbing; Safe for rubber roofs, fiberglass and painted surfaces; Use as often as needed; won't dry out rubber or seals; How to Use Starbrite RV Rubber Roof Cleaner Spray directly onto the surface; Use a sponge/soft brush/cloth to spread evenly; Allow to work in for 15-30 seconds; Lightly brush and rinse; Stubborn spots may require repeated application with longer soak times and gentle scrubbing