Description Used To Waterproof And Maintain Mobile Home And RV Roofs. Reflects 85-Percent Of The Sun's Heat Rays. Cures To Form A Highly Elastic, Long Lasting, Tough Seamless Membrane. Renews, Seals, Protects And Prolongs Life Of Roof. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov