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Can I tile on to this surface?

Discussion in 'Tiling' started by Jupiter01, 7 Sep 2019.

  1. Jupiter01

    Jupiter01

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    am I okay to apply bonding in the uneven areas and apply tiling on to this? It seems solid. That’s where the filing was before.

    Ordinarily I would fit new boards but I am really pressed for space.

    If yes, should I PVA before tiling?
     

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  2. daggermark

    daggermark

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    What is the green area? Is it emulsion paint over the plaster?
     
  3. Jupiter01

    Jupiter01

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    It’s artex with emulsion. I’ve knocked off the higher points
     
  4. daggermark

    daggermark

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    I know opinion is divided on this one, but I personally think its a risk to tile over it. Whilst the adhesive will stick, the weight of the tiles could pull the artex off the wall. Artex can normally be steamed off, but beware, older artex could contain asbestos and you don't want to be messing around with that!
     
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  5. Jupiter01

    Jupiter01

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    Will it make my life easier to tile over this given the risk I run with asbestos? I would consider dabbing new boards but I really don't have the space in this ultra small bathroom.
     
  6. daggermark

    daggermark

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    It really does depend on many factors such as the security of the artex, the weight of the tiles (are they large-format tiles? how thick are they), and also whether this area will get wet. Bear in mind that tile adhesive is wet, and therefore can actually be the cause of the artex failing! I believe there are companies which will test your artex for asbestos for about £30. If you are lucky and it doesn't contain any, just get rid of it.
     
  7. Jupiter01

    Jupiter01

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    It’s the 60cm x 30cm ceramic tiles.
    I can tell you that the artex looks rock solid and is very minimally raised as part of the pattern. Unknowingly, I did knock off some of the higher spots but with the asbestos caution, I won’t be disturbing this any further.

    I will look int inspection and removal.

    Also, in my initial pictures you can see the window wall has some imperfections. I was going to bond coat these voids before dusting everything off and tiling on to this. I was also going to bond coat the radiator pipes. Is this okay as I’ve seen a few posts suggesting that you cannot tile on bond coat.
     
  8. daggermark

    daggermark

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    Tiling over bonding is generally a bad idea as it sucks all the moisture out of the adhesive. How deep are the imperfections? If they aren't too bad, I'd be tempted to fill them with tile adhesive in advance and let it go off a bit before doing the tiling job. In terms of adhesive, I'd recommend a cement-based that you mix yourself from BAL or Mapei. I tend to use keraflex.
     
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  9. Jupiter01

    Jupiter01

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    I would say some of these imperfections are 15-20mm deep. I also need to tidy up around the window and had assumed that I can use bonding for this...
    I was also advised that tile adhesive at that thickness is likely to crack/fail.

    I appreciate your advice with this.
     
  10. daggermark

    daggermark

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    Yeah that may be a bit deep. You can patch the holes with BAL quickset render probably. I know you've ruled it out due to space but normally in these situations I'd just board the walls out and tile on the boards.
     
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  11. Jupiter01

    Jupiter01

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    Boards would have made my life easier. Agreed...
    Can I buy that product from one of the sheds? Struggling to find it online
     
  12. Jupiter01

    Jupiter01

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    Scrap that. I found a local stockist for bal quickset render from their website.
    I assume this is different to bonding as it doesn’t absorb the tile adhesive but is still applied by a trowel and similar to work with - compared to bonding coat
     
  13. Lower

    Lower

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    I'd just use a bagged tile adhesive to pack that out.

    But definitely do not use PVA!
     
  14. Jupiter01

    Jupiter01

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    I checked the so-called local stockists and neither have the bal quickset render.
    Should I use regular adhesive or someone else suggested mortar repair?
     
  15. daggermark

    daggermark

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    TBH this was my original thought, I'd probably do it if i was doing the job, but always careful of any advice coming back to haunt me!
     
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