Dicor Roof-Gard Protectant will help prevent your RV roof from fading, oxidizing, drying, and cracking from harsh UV rays, water, or grime. Roof-Gard Protectant is ideal for all RV roofs â including rubber, vinyl, PVC, TPO, and fiberglass. Its mild, non-abrasive formula keeps surfaces cleaner longer with no residue or oily build-up. Simply spread even with a mop or cloth and let air dry.• Finish repels dust and water• No silicone, oils, waxes, glycerin, or petroleum distillates• Will not harm rubber roofing• Prevents staining on glass tops Mild, non-abrasive formula keeps surfaces cleaner longer No residue or oily build-up Simply spread evenly with a mop or cloth & let air dry | Dicor Roof-Gard RV Roof Protectant, 32- oz Trigger Spray