Flex Seal spray promises to seal holes and dry to a watertight, flexible rubberized coating, but can the liquid rubber really stop leaks? Flex Seal, which retails for $19.95, is advertised as a ...
Greensboro, NC -- 2WTK viewers chose Flex Seal Liquid Rubber Sealant Coating to go through the 2Test this week. The commercial claims it's the easy way to coat, seal and protect almost anything. In ...
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