Question about Lefroy Brooks Bath Waste Trap for Exposed Fitting Complete with 500mm Exten

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Bathtub drain leaking

Bought an older home, have had two plumbers out to fix an upstairs tub drain that was leaking but they couldn't find the problem! Turns out, it leaks only when in use. And leaks into the downstairs light fixture. I'm a teacher and can't afford to keep hiring plumbers. Can you help me?

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Since two plumbers have tried and failed, I'm assuming that the problem is none of the obvious ones. I have two ideas for you, the second being the most effort, but also the most likely.

(1) If you have ceramic tile on the walls around the tub, sometimes cracks between the tiles will develop or the grout itself will develop leaks (become very porous). This would not necessarily show visible cracks, but could appear to be a drain problem since it will only leak during/after use. For this, you would need to patch the grout where needed and seal it well.

(2) You may have a leak in the piping under the tub. Since you mention a light fixture downstairs under it, it is likely that you can "create" access to the piping. This would require cutting a section of drywall out immediately under the drain and approaching the light fixture, about a foot wide should be enough to give you a decent look. Cut the drywall carefully so you can use the same piece to close the hole, with a little spackle, when you are done. Once open, turn on the water and watch to see where the leak is coming from. At that point you (or a plumber) should be able to identify what to do.

If your older house is "really" older and you have plaster instead of drywall, do the same thing, except you obviuously can't use the old plaster to fix the hole when you are done.

Posted on Jun 26, 2009

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Hi Teach :)
Do you know where the lek is? Like in the drain piping or at the draing ring? I would be glad to do what I can but you are there and I am here. That in itself is a problem. Do you have access to the drain plumbing? Is it metal or PVC? We do need some specifics. If you have a cam cell phone and can take a pic of where the suspected lek may be. Send to I'll be glad to assess your predicament. Make sure the pics are clear with good lighting and if possible mark the point in question. Ned

Posted on Jun 26, 2009

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The two plumbers you hired did not locate leak nor did they fix anything and as a plumber I would not have paid them anything to come out and not fix anything.? However, the leak may not be the drain but the tub spout or shower head fixtures or pipes behind them. As the other solutions you have to locate the leak to fix it which may require cutting the back of shower valve wall if you have access to do so which would give you a visual to both if you cut low enough to see drain and water leaks from above its most likely the fixture plumbing. If you cant cut from behind then from underneath which I ask you to please cut off breaker to that light to avoid shock.

Posted on Jul 09, 2009

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