I tried one of the epoxy products specifically for this on an metal tank, it would hold for a while (several months usually), then start to leak again. After about the 3rd time, I replaced the tank as I was tired of messing with it.
snipped-for-privacy@gmail.com wrote:
Sand the leak area carefully with emery paper.Cut several pieces of fiberglass cloth and use fiberglass epoxy resin.I patched several small leaks on the bottom of a 1978 Dodge van gas tank using this method.Ten years later,no leaks. cuhulin
Thanks for all the help.....I tried a patch made by Permatex, and will report back on the results.......
Check this website for "seal all.."
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