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Discuss Large format tiles onto plastered walls in the Tiling Forum area at

  1. Toogo0d

    Toogo0d Active Member

    Hi All,

    Currently pricing up a bathroom for floor to ceiling tiles, the wall substrate is concrete block, bonding, new plaster where previous tiles were removed and painted original plaster. The tiles the customer has purchased are 600x400x0.8 porcelain, without looking i know that with the addition of grout/addy that this brings the Kg/m2 close to, if not over the 20kg/m2 weight limit for plastered walls.

    Plastered walls are in good solid condition and would obviously be prepared with paint removal and sbr etc but would just like some feedback of how people would approach quoting for the preparation of this job

  2. 3_fall

    3_fall Administrator. Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    SW London
    600 x 400 x 0.8mm?

    Do you mean 8mm?
    • Like Like x 1
  3. Toogo0d

    Toogo0d Active Member

    My mistake, yes 8mm.
  4. Tile Fix Direct

    Tile Fix Direct Julian at TileFix Direct TF Official Sponsor

    Tiles, adhesive and grout would be very likely to exceed the recommended tiling weight for plaster so you should not fix. Alternatives is mechanically fix (Orbry) tile backer board onto the plaster with Orbry Spankers or similar, remove plaster and dry line with (Orbry) tile backer board or plaster board if not a wet area, or render with sand and cement.
    • Agree Agree x 1
  5. acaciaguy

    acaciaguy Professional Tiler Top Contributor

    As above. I wouldn’t want to put those tiles on that substrate.
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