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At some point in the past, I used epoxy plumbing putty to seal a joint going into the faucet on my bathtub. It's now leaking again (seeping out past the putty) and I'd like to get the putty off so that I can effect a better repair.

Any good ideas? I'm thinking I may just have to chisel it off, but I'd like to not damage the faucet in the process.

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Where exactly is the joint? Can you post a pic? – The Evil Greebo Nov 4 '11 at 13:46
if it's actual epoxy, then you likely need to replace the faucet connection completely. – DA01 Nov 4 '11 at 15:19
It's the output from the faucet up to the showerhead. It's bolted to the back of a tub and I can't get a good pic. – Michael Kohne Nov 4 '11 at 16:20
up vote 0 down vote accepted

Epoxy hardens and adheres by undergoing an irreversable chemical reaction. You won't be able to dissolve it off with anything. You will need to cut and grind it off with a dremel tool and/or saw.

EDIT: If you used it on a metal pipe, you may have luck burning it off with a blowtorch.

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The epoxy and the metal pipe should expand and contract at different rates, so if you heat it with a torch and then cool it with water a few times you may get it to loosen up.

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I ended up chiseling the old epoxy off - it was crumblier than I'd have expected, so I suspect I mixed it wrong originally, and it came off pretty well because of that.

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Just a guess: acetone (nail polish remover) is effective on most plastics. I'd try that first.

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