The claim. Flex Seal "stops leaks fast and is the easy way to coat, seal and protect almost anything," the manufacturer says. In a promo video, pitchman Phil Swift applies Flex Seal to a screen ...

Flex Seal is a line of sealant and adhesive products that create a “watertight, flexible rubberized coating that stops leaks ...

Silicone caulk – a tool you've probably used to seal the edges of your bathroom tiles or around your windows – is the ... The beauty of silicone is its versatility. It can stretch and flex to ...