Bio-Kleen Products, M02409 Rv Roof Cleaner/Protectant-Gal RV Rubber Roof Cleaner maximizes the life of rubber RV roofs. RV Roof Protectant with SPF 70 UV Blocker. Safe for EPDM, PVC, TPO, and most RV roofs. Provides up to 6 months protection Biodegradable, Non-aerosol.