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Thread: Tile help!!!!

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    Tile help!!!!

    Gunite is complete and we have a transparent/iridescent MasterTile going on infinity edge, spa overflow, and water line. The tile looks splotchy (has dark areas) for some reason. The builder says it is moisture behind the tile that hasn't dried. The problem is it rained today and it got worse so doesn't that mean when there is water in the pool it's always going to look bad? Surely if moisture can get behind there that can't be good? It is over the entire perimeter of the pool.
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    28K 37'x20' gunite with infinity edge and spa, PebbleSheen-Black Onyx, Jandy ProSeries cartridge filter and JEHeat Pump, in ground floor cleaner and Dolphin M500, TF-100 test kit

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    Nursenini's Avatar
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    Re: Tile help!!!!

    I would be asking exactly WHAT they used behind the tile. From my own bad personal experience, having your glass tile PROPERLY installed with a moisture barrier in place will keep you from having this issue and efflorescence down the road.
    Denise-TFP Guide
    IG 13.6x30 gunite, Radiant Fusion Topaz, 3.6/5.6/4, 14100 gal, 2 skimmer, 4 Hayward LED lights (pool & spa), Hayward Echostar VSP, 2 future fire bowls, raised beam wall w/ scuppers,7x7 raised spa, DE Progrid70, SWG Hayward Goldline, OmniLogic, Hayward 400K BTU heater, stamped colored deck, Dolphin Discovery robotic cleaner, TF100 test kit, Newbie in Bixby Oklahoma

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    Re: Tile help!!!!

    I was told they are using acid resistant thin set.

    What is the moisture barrier composed of??
    28K 37'x20' gunite with infinity edge and spa, PebbleSheen-Black Onyx, Jandy ProSeries cartridge filter and JEHeat Pump, in ground floor cleaner and Dolphin M500, TF-100 test kit

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    Tile help!!!!

    We just had glass tile installed and they put down a very thick green substance as a water dealer before he tile went down.



    24000 gallon plaster pool, DE filter, chlorinated pool, connected pool & spa with waterfall feature, all manual valves

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    Re: Tile help!!!!




    24000 gallon plaster pool, DE filter, chlorinated pool, connected pool & spa with waterfall feature, all manual valves

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    Re: Tile help!!!!

    It looks like moisture back there to me too. It is there because I don't think he got the tiles completely embedded into the thinset and there are air voids back there holding the moisture.
    Unknown make 18' above ground (bought used in 1999) Sparco sand filter. Hayward 100,000 BTu heater. 2 speed pump

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    Re: Tile help!!!!

    Quote Originally Posted by danpik View Post
    It looks like moisture back there to me too. It is there because I don't think he got the tiles completely embedded into the thinset and there are air voids back there holding the moisture.
    It looks splotchy all the time but intensifies when wet. But the splotchy areas do not spread at all. Here is a pic of the spa where the sheets of tile are joined and you can see the dark areas
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    28K 37'x20' gunite with infinity edge and spa, PebbleSheen-Black Onyx, Jandy ProSeries cartridge filter and JEHeat Pump, in ground floor cleaner and Dolphin M500, TF-100 test kit

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    Re: Tile help!!!!

    How long has the tile been up? Its possible that some areas of thinset haven't fully cured yet. Glass doesn't breath so thinset takes longer to set up. IIRC recomendations are to give it a few days, up to a week to fully cure (setup). Ditto with the mortar or concrete behind the tile, how long has it been drying for? The tell is the dark areas where the sheets meet. That just looks like different areas of thinset drying at different rates.

    The first pic looks like there's moisture behind the tile. Tile isn't fully set in the thinset so moisture is in the gap behind the tile or, again, the thinset hasn't fully cured. To have moisture in a void behind the tile means they didn't install it (glass tile) right. Your supposed to spread thinset with a notched trowel, then spread it flat, then embed the tiles. It is a known problem when the glass tile is only embedded in knothed thinset and the pattern show right through the tile.

    If you reply and say its only been up a couple days I say wait. If its been a solid week then thats a different issue.
    16x32 Concrete IG 24k Gallons
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    Re: Tile help!!!!

    Quote Originally Posted by kevreh View Post
    How long has the tile been up? Its possible that some areas of thinset haven't fully cured yet. Glass doesn't breath so thinset takes longer to set up. IIRC recomendations are to give it a few days, up to a week to fully cure (setup). Ditto with the mortar or concrete behind the tile, how long has it been drying for? The tell is the dark areas where the sheets meet. That just looks like different areas of thinset drying at different rates.

    The first pic looks like there's moisture behind the tile. Tile isn't fully set in the thinset so moisture is in the gap behind the tile or, again, the thinset hasn't fully cured. To have moisture in a void behind the tile means they didn't install it (glass tile) right. Your supposed to spread thinset with a notched trowel, then spread it flat, then embed the tiles. It is a known problem when the glass tile is only embedded in knothed thinset and the pattern show right through the tile.

    If you reply and say its only been up a couple days I say wait. If its been a solid week then thats a different issue.
    Gunite has been in 3 weeks-sat for 5 days and then they started tile. So tile has been on almost 2 weeeks
    28K 37'x20' gunite with infinity edge and spa, PebbleSheen-Black Onyx, Jandy ProSeries cartridge filter and JEHeat Pump, in ground floor cleaner and Dolphin M500, TF-100 test kit

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