Oil Still Seeping Out Of Lead And Oakum Joints! - Plumbing - DIY Home Improvement | DIYChatroom

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Old 07-01-2013, 11:18 PM   #1
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Oil still seeping out of lead and oakum joints!

I posted a while back about a black oily substance leaking from my newly replaced sewer pipe. I called the plumber back that did it, and it's (thankfully) not sewage, but it's oil seeping out of the lead and oakum joints. He recaulked the lead joint, but it's still slowly seeping out.

Will this stop eventually? Or is it time to call a different plumber?


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Old 07-02-2013, 05:12 AM   #2
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Sure sounds like a sewer leak to me.


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jmon (07-02-2013)
Old 07-02-2013, 08:58 AM   #3
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This topic has been brought up a few times on this forum with basically the same end result. If the cast iron pipe is not secured properly, joints could work themselves loose and leak. Additionally, and most likely, if the joints were not properly sealed with oakum, they could also leak.

It's possible it could stop on it's own. However, I would keep an eye on it for awhile. Usually recaulking solves the problem unless the process was done incorrectly. Sometimes the oakum doesn't get packed right or not enough is used, etc. The oakum is what actually seals the joint, then the lead wool or molten lead (whatever process the plumber uses) goes over the oakum, to hold the oakum in place.

IMO, keep an eye on it, if it continues to leak, tell your plumber you are not satisfied and ask him if he could redo the whole process again. If your plumber refuses or says that it's normal, and will eventually go away by itself, try another plumber.

Last edited by jmon; 07-03-2013 at 10:11 AM.
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