Ideal for gutters, roofs, pipes, driveways, window trim, fountains, flower pots and more. You've seen the commercial with the bottom of a boat cut out and replaced with a screen door coated with Flex Seal. Consumer Reports tested and confirmed it! Make a watertight, flexible rubberized coating in seconds with the shake of a can and the push of a button. Flex Seal seals, coats, and protects almost anything. Flex Seal gets deep into cracks and holes and creates a seal to lock out moisture and air that lasts for years. Use on any surface, Flex Seal is paintable. Even works on a wet surface! So many applications, you'll want to keep a can in the garage, car RV and boat.