Deep cleans, conditions and protects in one quick, easy step. For top-down cleaning of your RV, start with the best roof cleaner on the market. Our formula cleans, conditions and protects in one easy step. Removes tough leaf and mildew stain as well as bird droppings from most roofing materials. Benefits include: 100% biodegradable liquid. Easy to use. Available in 32-ounce & 1-gallon bottles. Also effective on bird droppings, bugs and more. Other benefits include: UV blocker for maximum protection. Non-bleaching formula wont discolor or stain fabrics & surfaces. Nontoxic. Nonflammable. 100% biodegradable liquid. Easy to use. Available in 32-ounce & one-gallon bottlesTip: After cleaning, allow your awning to dry before rolling it up to prevent damaging mold and mildew growth. Below is a video showing a few of the features and uses for this item. Removes tough stains from rubber, fiberglass & aluminum roofs Nontoxic Nonflammable | Thetford Premium Rubber Roof Cleaner - 32 Oz