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Discuss bostik primer coming off when scrapping feet on in the Tiling Forum area at TilersForums.co.uk.

Tags:
  1. average

    average Active Member

    Location:
    Uk
    Have used bostik primer yesterday and it took some hours(4) to dry to walk on without anything coming off. I was going to put my self leveler on top however when i twist my feet on it firmly, some comes off. Would this be the norm or has this not bonded properly. I was of the thinking that this was supposed to be a better bond to the tiles before any addy or self leveler goes on.

    Wold this be the norm or should i leave t for another day to dry more. If it comes off by scrapping my finger on it, has it not bonded properly.
     
  2. jcrtiling

    jcrtiling Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    What is the background and did you follow dilution rates
     
    • Like Like x 1
  3. judge

    judge Professional Tiler

    Was it supposed to be diluted first and what have you primed ?
     
    • Like Like x 2
  4. 3_fall

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

    Location:
    SW London
    Sounds like it’s skinned, maybe too concentrated.
     
    • Agree Agree x 3
    • Creative Creative x 1
  5. Adey1980

    Adey1980 Trusted Advisor Professional Tiler

    Location:
    Caerphilly
    Was the substrate dry and clean before applying the primer?
     
  6. average

    average Active Member

    Location:
    Uk


    Washed with sponge then dried with a dry towel to take dust off. Straight from the 1 litre tub. Didnt dilute. Didnt say on the tub to dilute.
     
  7. average

    average Active Member

    Location:
    Uk


    On ceramic tiles
     
  8. average

    average Active Member

    Location:
    Uk

    Does this happen often
     
  9. 3_fall

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

    Location:
    SW London
    What’s the exact name of the product?
     
  10. 3_fall

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

    Location:
    SW London
    Only if it needs diluting :)

    Some primers must be diluted first.
    Others require a build up of different strengths.
    Some primers will readily sit on top like a skin if not applied correctly.
     
    • Like Like x 1
  11. average

    average Active Member

    Location:
    Uk
    bostik special hardsurface primer . one part modified acrylic dispersion primer
     
  12. 3_fall

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

    Location:
    SW London
    What did you apply the primer to?
    Plaster?
    Timber?
    Backerboatd?
     
  13. average

    average Active Member

    Location:
    Uk


    This was just straight from the tub
     
  14. average

    average Active Member

    Location:
    Uk


    floor tiles
     
  15. 3_fall

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

    Location:
    SW London
    Tile on tile, that what you mean?
    You primed tiles to be tiled with more tiles?
     
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