When you need maximum coverage and maximum sealing power, take your projects to the MAX. Our new Flex Seal MAX is our most economical option, covering up to 20% more than our original size. Flex Seal MAX is a rubberized sealant spray coating that sprays out as a liquid. Flex Seal MAX seeps into cracks and holes and dries to a watertight, flexible coating. It's the easy way to coat, seal and stop leaks fast.
