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  1. J

    Leaking grout/tiles on spa waterfall

    Duraleigh, thanks, the kerdi tiling membrane looks like it's exactly what I need. Seems like something that should have been used when the pool was built in the first place. I'm guessing either there is no liner present, or it has a major failure. The pool is about ten years old. heikejohn...
  2. J

    Leaking grout/tiles on spa waterfall

    Thanks for the replies. Yes it has been a puzzle. Other sets of eyes have looked at it, but I have not asked a pool builder to look at it. The only thing certain is that you can easily see where the water is coming out, it runs about three cups per minute. The challenge has been in finding...
  3. J

    Leaking grout/tiles on spa waterfall

    I'm confident there are no major breaks. As I understand it, grout is not waterproof, but it still shouldn't leak 70 gallons per day. I suspect the grout on the side walls leaks like a sieve, there may be large cracks between the stones but under the grout. When I regrouted the tile, I did not...
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  6. J

    Leaking grout/tiles on spa waterfall

    Newcomer here. I have a question about my spa overflow waterfall is constructed. There are three steps on the waterfall, all tile/grout on the vertical and horizontal surfaces. I lose 500 gallons per week. I have isolated it to the waterfall itself. I've conducted several bucket tests...