This sealant is also ultraviolet (UV) resistant to help shield a roof from ... acrylic, polyurethane, silicone, rubber, and sealant tape. Every type of roof sealant offers some protection against ...

and UV rays, making it ideal for long-term sealing projects. Some silicone sealants are even mold- and mildew-resistant. However, because it's not water-soluble, it's more challenging to apply ...