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NZ Tilers Forum Anything You Won't Tile?

Discussion in 'NZ Tilers Forum' started by Jacqui, Nov 1, 2012.

  1. Alec De martin

    Alec De martin New Contributor

    Jst another add-on, like to know what adhesive was used. Looks like a normal cement based product, probably modified with an additive of some sort.
     
  2. Dave@BTC

    Dave@BTC Tiling Product Supplier

    Looks like blue tac to me. :confused:
     
  3. Bob Neary

    Bob Neary Tiling Forum Moderator Staff Member

    Just to get this straight, there is piped water heating beneath the ply? Are the pipes set into something? 22mm ply? How's the heating going to be effective? it still has to go through the tile.
    He Probably thought he was doing a thorough job putting down 22mm ply.
    Priming is the least of his concern, looks like he's used a 6mm spreader and no coverage.
    Your right Alec,looks like a standard tilefix.
    Oh, and how is the ply fixed down?
    Not sure who does the UHF over there, but would a tiler put piped UHF down himself.
    Just for any guest viewers info, how should this have been installed properly? Correct layers etc.
     
  4. jay

    jay Awesome Contributor

    Looks like two types of adh have been used like the way the ply join has gone straight through the adh
     
  5. branty1uk

    branty1uk Tiling Forum Moderator Staff Member

    And tiling while the heating is on. :confused: that adhesive has thermal shock written all over it.
     
  6. Bob Neary

    Bob Neary Tiling Forum Moderator Staff Member

    Typical behaviour of the ply. It will move and if you don't isolate that movement this is the result.
     
  7. Stewart @ SPM Design

    Stewart @ SPM Design Serious Contributor

    The piped heating sits between the joist in insulated metal trays and the ply in ment to be fixed to the joist as the finished sub floor. This was all installed by the builder and is a common method. The heat passes through the ply to the tiles no problem.

    The failure came about in IMO, because the ply was insufficiently fixed to the joists (6 screws per sheet) wrong primer for the addy, not turning the heating off for the installation, tiling directly to the ply (though still a recommended form of installation) wrong trowel size for the standard addy that was used!
     
    Bob Neary and jay like this.
  8. Alec De martin

    Alec De martin New Contributor

    6 screws per sheet!!!!! What was he thinking, oh, I know, the weight of the tiles would hold it all down. Ha Ha.
     
  9. Northern Tiler

    Northern Tiler Junior Contributor

    lol Alec
     
  10. Dean Nicholl

    Dean Nicholl New Contributor

    And people think they are safe putting an acrylic shower in, lol. The number of leaks I have seen from these things, even just installed
     
    jay likes this.
  11. jay

    jay Awesome Contributor

    You are not wrong one day they will realize they only need to silicone on the outside of the frame
     

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