Geocel GC28128 ProFlex RV Flexible Sealant 10oz Cartridge Crystal Clear Remains flexible and stops leaks quickly. Bonds to a variety of RV materials and adheres to damp, frozen and oily surfaces. Withstands joint movement and temperature changes due to RV travel. Not for use on rubber roofs. This listing for Crystal Clear is available to purchase in California. Pro Flex RV Flexible Sealant is specifically designed for the recreational vehicle industry. It can be exposed to adverse weather conditions right after application. Pro Flex RV Sealant has excellent expansion and contraction properties to withstand the joint movement and temperature changes associated with recreational vehicles. It bonds to many recreational vehicle materials, even damp, slightly oily, or frozen surfaces. Product Benefits: Crack resistant. Exceptional flexibility. Excellent adhesion to many surfaces, even when damp. Ultraviolet resistant. Resealable; may be applied over itself. Paintable. Resists dirt pick-up. Easily applied, non-stringing formulation. Tools and cleans up easily. Cured sealant is mildew resistant. Limitations: Do not use on traffic-bearing surfaces. Do not use on extruded polystyrene insulation sheathing (Styrofoam, etc.), TPO, or EPDM. Do not use on acrylic skylight glazing surfaces. Do not use in areas where food is processed or stored. Do not use for potable water applications. Adheres To: Aluminum, glass, coated steel (Kynar 500 based finishes), steel, wood, fiberglass, and vinyl. Crystal Clear 10 fl. oz. cartridgeTHANKS FOR LOOKING!