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.

A waterproof sealant such as GE Clear Gutter Caulk is easy to use: Simply squeeze this gutter seal into cracks and holes, then apply a further coating around the entire gutter joint. 3.

I always keep some Flex Seal on hand and use it to fix leaky gutters, plumbing pipes and even my canoe. In recent years, with ...