Maintaining your RV's existing roof is easy with ALPHA 4034. This water-based, acrylic sealant is formulated to protect and add durability to RV roofing surfaces. Once cured, this sealant reflects heat and light, helping to keep your roof's surface cooler. It also helps maintain your roof in low temperature climates. Compatible with multiple surface materials, ALPHA 4034 works great with polyurethane foam, aluminum, galvanized steel, fiberglass, and even cured concrete. Plus, with this sealant, you can re-coat as often as needed to keep it in top condition.