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Help with Shower Drain leak problems

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Subject Author Date
Help with Shower Drain leak problems Bob T 12-15-2007
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Posted by Bob T on December 15, 2007, 12:28 pm
My shower drain in a custom ceramic shower had been leaking and I opened up
the ceiling below it and need some advice on how to repair it
only seems to leak after a lot of water has been run and I can also cause
it by stopping up the drain and allowing some water to pool in the bottom.
It appears that the water is seeping around the outside of the drain as
opposed to the drain leaking .
I have photos here of both the top and bottom view
http://www.fixmytoy.com/drain%20picture.htm
When I get it to leak the water comes from the plywood around the drain
assembly which has me wondering if its seeping through the grout. I'm
wondering if I could apply a waterproofing agent on the tiles and grout to
fix this . I really don't want to rip up the time if possible
Thanks in advance
Bob



Posted by Tony Hwang on December 15, 2007, 12:46 pm
Bob T wrote:
> My shower drain in a custom ceramic shower had been leaking and I opened up
> the ceiling below it and need some advice on how to repair it
> only seems to leak after a lot of water has been run and I can also cause
> it by stopping up the drain and allowing some water to pool in the bottom.
> It appears that the water is seeping around the outside of the drain as
> opposed to the drain leaking .
> I have photos here of both the top and bottom view
> http://www.fixmytoy.com/drain%20picture.htm
> When I get it to leak the water comes from the plywood around the drain
> assembly which has me wondering if its seeping through the grout. I'm
> wondering if I could apply a waterproofing agent on the tiles and grout to
> fix this . I really don't want to rip up the time if possible
> Thanks in advance
> Bob
>
>
Hi,
The real problem seems to be, the floor is not solid(rigid) enought.
No matter what you do to plug the leak, it'll come back unless the floor
is reinforced. Bigger job!

Posted by John Grabowski on December 15, 2007, 10:32 pm

> My shower drain in a custom ceramic shower had been leaking and I opened
up
> the ceiling below it and need some advice on how to repair it
> only seems to leak after a lot of water has been run and I can also cause
> it by stopping up the drain and allowing some water to pool in the bottom.
> It appears that the water is seeping around the outside of the drain as
> opposed to the drain leaking .
> I have photos here of both the top and bottom view
> http://www.fixmytoy.com/drain%20picture.htm
> When I get it to leak the water comes from the plywood around the drain
> assembly which has me wondering if its seeping through the grout. I'm
> wondering if I could apply a waterproofing agent on the tiles and grout to
> fix this . I really don't want to rip up the time if possible
> Thanks in advance
> Bob


Nobody wants to rip up their shower stall, but unfortunately that is the
correct path to fixing the problem. As the others have suggested you need a
good solid base and a pan underneath. You can caulk and grout the hell out
of it, but I doubt if it will do much. I would save the time and money and
start planning a new shower stall. Maybe you can get away with just redoing
the bottom and a few tiles up. Call a plumber and ask his opinion. I
suppose it is possible that the plastic drain may have cracked, but what
would have cause that besides a flexible floor. The black mold away from
the drain tells me the water is coming from the floor.


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