Now you will get maximum protection against fading and chlorine damage with the longest lasting chlorinated rubber paint available. Unlike synthetic products on the market, CRX is packed full of all natural high solids chlorinated rubber resulting in better bonding, water proofing, and U.V. resistance. Renew your tired looking pool with the New Science of Chlorinated Rubber. 5 year Warranty. Approximately 300 - 350 sq. ft. per gallon.