Flex Seal is a very unique product that seals and products everything in just few minutes and gives customers 100% guarantee results. This spray product is very simple in application and diminishes every heavy pail. People can use this spay for protecting skylights, window trims, chimneys, roofs & pipes, duct work, gutters, flashes, ponds & fountains, metal roofs, boat and much more. This is the first spread out a fluid that leaks into breaks and gaps and can easily work in any watertight or rubber coating. For getting maximum results shake this spays well before its application and holds it from surface about 12 to 14 inches far.