We also used Flex Seal on a copper pipe with drilled holes of different sizes, on an unsealed gutter, and on a cracked flowerpot. And we checked claims that the product is flexible and can be painted.

I’ve used Flex Glue to repair a leaky drain plug on my pool filter ... repair to a torn pool cover and leaky pipe elbow on my pool pump. Flex Seal’s rubberized, waterproof qualities work ...