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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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