Instant Rubber Roof Repair in a spray can. Spray-N-Seal is a UV resistant rubberized coating that stops leaks on RV roofs, vents and skylights. It features a superior, fast-setting, rapid-curing spray-on elastomer that provides a flexible, non-cracking, non-peeling coating that is paintable and long-lasting. Designed especially for RV rubber roofs, Spray-N-Seal will also adhere to fiberglass, aluminum, wood, plastic, metal, brass, and painted surfaces. Surface must be clean and dry prior to application.Size-16 oz.