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Big gap between shower tray and wall tiles...

Discussion in 'Plumbing and Central Heating' started by Roger465, 27 Jun 2018.

  1. Roger465

    Roger465

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    Having renewed the backing board in my shower, and fitted a new tray, I find there’s a much bigger gap round the edges of the tray than expected. I’ll try and take a pic later.

    I measured the old tray before taking it out, and it was “about” 7’6” square – I assumed there wouldn't be any other sizes close to that, so that’s exactly what it must be. But it looks like it was somehow slightly larger than the new one, which IS 7’6” square.

    I was very careful in replacing the old 12mm marine ply with 12mm backer board, so the available space should be exactly what it was before. Unfortunately I had to smash the old tray to pieces to remove it, so can’t verify that it was a slightly different size – doesn't really matter though, we are where we are.

    So my question is… is it OK to tile down inside the gap between the tray and backer board, then seal? I know normally the tiles would come down on top of the tray… if not, is there anything else I can do?

    Thanks :D
     
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  3. RigidRaider

    RigidRaider

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    When I fitted Mermaid shower boards in our bathroom the kit included a very good sealing strip, which sat on top of the shower tray and behind the boards, you then filled the gap with sealant, which made for a very smart job. Can you get a similar bead from a bathroom supplier?
     
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  4. Roger465

    Roger465

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    Hhmmm, not sure - guess a visit to the plumbing/bathroom merchant is the next step...
     
  5. dilalio

    dilalio

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    Ply is not a great substrate for tiling.
    Just overboard it with a tile-backer board to bring the walls out to suit. You can get different thicknesses depending on brand.
     
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  6. Roger465

    Roger465

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    Thanks, but I can't do that - the ply had got wet and falling apart at the bottom, so I cut it out up to about 3 feet, and replaced it with backer board of the same thickness. So it's backer board up to 3' or so already. I can't build it out as I didn't remove the tiles above that level, so the lower ones have to be flush with them...
     
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  8. dilalio

    dilalio

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    Well, I think you know what the right thing to do is but DIY is always a catalogue of patch ups and short cut bodges (including my own house before you get offended).
    It's often easier to rip it all out and do it again rather than trying to bridge a gap at a crucial weak point of the enclosure :)
     
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  9. Roger465

    Roger465

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    Yeah...can't do that though, as I'd have to de-tile the whole en-suite (can't get the tiles any more - the ones I did remove were mostly easy-ish as they had been stuck to a wet background), then probably take the stud wall down, which partitions off the utility room next door, washing machine, sink in the way, etc etc etc - it would go on and on till I'd dismantled the entire house.

    So I have to make this work, one way or another...
     
  10. Hugh Jaleak

    Hugh Jaleak

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    Have a look at 'Homelux Sealastrip', may be suitable for what you want to do. My old Gaffer swore by it, and used it on every job when I was an apprentice in the 80's.
     
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  11. dilalio

    dilalio

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    Yeah that's a pretty good product and if needs must...
     
  12. Roger465

    Roger465

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    Thanks guys, that's the sort of thing I was thinking of.
     
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