Flex-Seal utility sealant is suitable for sealing the grade adjustment ring area and joint sections in a manhole or catch basin from the interior of the structure. The urethane material comes in a kit and is easy to install. It also offers a high degree of durability and resists a broad range of chemicals including road salt, pool water, antifreeze, and detergents. It can be applied in different thicknesses according to the needs of a particular job or climate.
Sealing Systems Inc.