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Discuss Best mould resistant silicone in the Adhesive and Grout Forum area at TilersForums.co.uk.

  1. Jrterror

    Jrterror Active Member

    Location:
    Barnsley
    Hi.
    I'm just wondering, in your experience which are the best mould resistant silicone sealants?
    I used one to sort the tired silicone in our shower about six months ago and already it has a speck of mould, so I don't want that to happen with the brand new shower that I'm installing.

    So, have you guys ever gone back to jobs and found that silicones you have used are still looking great, even year laters?

    If so, which ones?
    Ta
     
  2. Bathfix Bob

    Bathfix Bob Professional Tiler

    What colour are you going to use?
     
  3. Jrterror

    Jrterror Active Member

    Location:
    Barnsley
    Hi. Grey.
    Whilst here. Should I silicone all corners and areas where the tiles meet the tray first and then grout. Or visa versa
     
  4. Bathfix Bob

    Bathfix Bob Professional Tiler

    I use Dow corning for white, colours are usually Mapei or Ultra.
    I tried BAL silicone the other week and found it really sticky to use I didn't like it but it may well be the best anti mould one.
     
  5. Bathfix Bob

    Bathfix Bob Professional Tiler

    By no means!
    You must always grout first, pump plenty of silicone at the base of the wall profiles of shower enclosure where it meets the tray.
     
  6. Jrterror

    Jrterror Active Member

    Location:
    Barnsley
    Hi.
    Do you mean before tiling, fill the gap between the walls and the tray. If so, already done.
    Out of curiosity, why grout first. What's the idea behind the particular process

    thanks again
     
  7. Localtiler

    Localtiler Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    Yorkshire
    That's debatable Bob.
     
    • Agree Agree x 1
  8. Jrterror

    Jrterror Active Member

    Location:
    Barnsley
    please expand
    ta
     
  9. Bathfix Bob

    Bathfix Bob Professional Tiler

    I suppose its each to their own, I see silicone as a finishing touch always after grout for me.
     
  10. Jrterror

    Jrterror Active Member

    Location:
    Barnsley
    Thanks for your input.
    Would you not say that silicone around the edges of the shower area are not so much a 'finishing touch', but instead the primary method of sealing the abutments of the wet area.i.e. corners and where tiles meet the tray.

    Umm, really interesting. I'm day looking at a shower now, and I wonder if if grouting first, being careful to not spill into corners and where tray meets tiles would be wiser, just as you say.
     
  11. DC Ceramic and stone

    DC Ceramic and stone Tiler and Father.

    Location:
    great yarmouth
    I always use the silicone sandwich technique. If tiling a shower or bath I will silicone first (any colour because you are not going to see it) then tile then silicone again. As for corners, just the finishing touch is enough as its a movement joint. I normally use Ardex silicone and had no issues.
     
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