I tried Flex Seal on boots. I applied it to the bottom and at least two inches around the sole. I allowed it to dry over a day. It left the boots feeling sticky and still leaked. I tried it on other shoes with the same result.
My daughter used it to repair chairs, let it dry for a couple of days, but it left them sticky and the black came off on the clothes.
Totally disappointed in this product.
Bottom Line: No, I would not recommend this to a friend
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