Flex Seal is the ultimate solution for your sealing needs. This remarkable liquid rubber sealant coating stops leaks fast creating a durable barrier that coats seals and protects. A single gallon covers approximately 150 square feet making it an efficient choice for both small repairs and larger projects. Flex Seal is designed to be applied to clean surfaces within a wide temperature range of 32 Degrees F to 120 Degrees F for year-round usability. Once cured it withstands extreme temperatures from a frigid -80 Degrees F to a 350 Degrees F maintaining its integrity in the most challenging conditions. Plus with its UV resistance Flex Seal provides long-lasting protection against the suns harmful rays. Whether you are tackling a quick fix or a major job Flex Seal delivers unbeatable performance and peace of mind.Stops leaks fastCoats seals and protects1 gallon covers 150 sq. ft.Effective from -80 Degrees F to 350 Degrees FNon-Toxic Non-flammable no harmful vapors UV chemical and mildew resistent