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Discuss Stop grout going black in new bathroom. in the Adhesive and Grout Forum area at TilersForums.co.uk.

  1. Bathfix Bob

    Bathfix Bob Professional Tiler

    Just doing a bathroom with white ceramic wall tiles and grey porcelain floor tiles. I've been asked to prevent the grout going black and dirty over time and to ease cleaning. Can I use something like Stain Stop on the grout?

    Its Mapei on walls and Bal on floor.
     
  2. hmtiling

    hmtiling Trusted Advisor Professional Tiler JOTM Winner

    Location:
    Isle of Wight
    Grout sealant will help. Try to avoid white grout. Epoxy only sure fire way
     
    • Agree Agree x 2
    • Like Like x 1
  3. jcrtiling

    jcrtiling Trusted Advisor Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    Also tell them keep their bathroom warm in the winter and use their extractor fan so that water doesn't condensate on the tiles surface . This will help with black mould which is caused by condensation .
     
    • Like Like x 1
  4. Bathfix Bob

    Bathfix Bob Professional Tiler

    Thanks guys, which is the best grout sealer?
     
    • Like Like x 1
  5. Plan Tec Tiling

    Plan Tec Tiling Administrator Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    Wimborne, Dorset
    In my experience it is the LTP aerosol
     
    • Like Like x 1
    • Useful Useful x 1
  6. Bathfix Bob

    Bathfix Bob Professional Tiler

    Really? So you wouldn't use Lithofin stain stop, is that just for tiles?
     
  7. Plan Tec Tiling

    Plan Tec Tiling Administrator Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    Wimborne, Dorset
    No, it seals grout too and is an excellent product. I just find the aerosols easier to work with on just the grout
     
  8. jcrtiling

    jcrtiling Trusted Advisor Professional Tiler TTA Member Top Contributor

    Location:
    Salisbury
    Got a feeling they are not to concerned about drying times as well unless that is just the universeal one
     
  9. Bathfix Bob

    Bathfix Bob Professional Tiler

    We've got some aerosol already on site but its been warned from CTD that you need to be careful around the bath and other plastics as it may mark them. I don't want to spray stuff around that's going to ruin everything it lands on.
     
  10. LEE MAC

    LEE MAC Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    BELFAST
  11. John Benton

    John Benton Trusted Advisor Professional Tiler JOTM Winner

    Location:
    Leeds
    • Agree Agree x 1
  12. Adey1980

    Adey1980 Trusted Advisor Professional Tiler Top Contributor

    Location:
    Caerphilly
    I’ve used LTP grout sealer and I spray it into the lid and apply it with a paint brush so I know I got 100% coverage and it’s less messy
     
  13. Bathfix Bob

    Bathfix Bob Professional Tiler

    Does it stain or mark the tiles? I can't bring myself to use what smells like clear laquer all over the tiles.
     
  14. Plan Tec Tiling

    Plan Tec Tiling Administrator Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    Wimborne, Dorset
    These sprays are invisible once sprayed and dried, plus it works!
     
    • Like Like x 2
    • Agree Agree x 1
  15. Waluigi

    Waluigi Top Contributor

    Location:
    UK
    The biggest cause of mould will be lack of ventilation, as already mentioned.

    You need a mixed flow or centrifugal extractor fan. They’re not expensive (about £60 to £100) and will clear the room far better than the in line all in one kits.
     
    • Agree Agree x 2
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