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 ...

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It is sold in three different widths and can be bought on Flex Seal’s website where prices begin at around £16. Produced by Leon Siciliano More from Tech A US company has created an adhesive ...