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Discuss Advice on using kerapoxy cq grout please in the Tiling Forum area at TilersForums.co.uk.

  1. JON HUME

    JON HUME Active Member

    Location:
    Cheltenham
    hi all
    Any advice or tips on using Mapei Kerapoxy CQ grout please?
    I haven’t used it before and I have to use it this week on an external patio area.
    Many thanks, Jon
     
  2. 3_fall

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

    Location:
    SW London
    I’d do a test on some Off cuts first, see how it behaves. (Just call me Uncle Bob :))
    Definitely have white emulsifying pads to hand.
    Depending on how textured stone is, might be worth considering Bal grout protective sealer on it first.
    I certainly wouldn’t mix a full tub and go for it.
    Make sure when you mix sample up you follow ratio’s precisely.
     
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  3. JON HUME

    JON HUME Active Member

    Location:
    Cheltenham
    Thanks, sorry to sound stupid but do you follow the normal grouting process but use emulsifying pads following after you have sponged off most of the residue??
     
  4. 3_fall

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

    Location:
    SW London
    Have you ever used an epoxy resin grout?
    No question is stupid if you don’t know the answer.
     
  5. JON HUME

    JON HUME Active Member

    Location:
    Cheltenham
    No never used epoxy, only standard grouts.
    Thanks
     
  6. antonio

    antonio Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    italy
     
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  7. 3_fall

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

    Location:
    SW London
    Oh ok, well you could have had an easier one to start with, for sure.
    Make sure your stone is completely cleaned and dry before anything.
    Seal it to saturation, don’t cut corners.
    After assessing the grout release from your sample board, use Bal protective sealer, or not, as situation dictates.
    A practise run is the only way you’ll find out how easily this resin releases from the surface of the stone.
    Ok so you’ve watched the video and they quite clearly use white emulsifying pads.
    I’d suggest not mixing a complete tub in one. Measure quants very carefully and maybe do 50% first time.
    Once you’ve mixed it, do not stop for anything, you’re against the clock.
    Have plenty of buckets of clean water ready. I don’t mean 1 or 2. And one white pad will not do, you’ll need a number of them and I cut mine in half. Epoxy clogs them very quickly.
    Basically once you’ve used up your mix, start using white pads back at where you started. Be methodical. They will clog quickly, more fresh water you have the more life you’ll get out of the pads.
    Circular motion, across the joints, never with.
    Not too much water, and you will instantly feel when the grout residue on the surface releases.
    When sponging clean after release, again across the joint, and one wipe per side of sponge before rinsing, do not be tempted to use the sponge anymore before you rinse. You just spread residue about if you do.
    Have plenty of water, be methodical in your approach and you should be fine.
    I’d check compatibility of grout with stone and with the specific cleaner too.
    An epoxy grout float will be needed.
    Call tech. Check suitability, and try to get email confirmation too.
     
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  8. JON HUME

    JON HUME Active Member

    Location:
    Cheltenham
    Thanks so much 3_fall, that is absolutely what I needed. I’ll follow that and fingers crossed.
    Many thanks
    Jon
     
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  9. 3_fall

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

    Location:
    SW London
    No worries.
    Good luck :)
     
  10. impish

    impish Trusted Advisor Professional Tiler

    Location:
    Lancashire
    If you follow that to the letter - no need for crossed fingers.
    Skip any single part though, and you'll have a nightmare.
    I promise!
     
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  11. Adey1980

    Adey1980 Trusted Advisor Professional Tiler

    Location:
    Caerphilly
    You’ll be fine, make sure to post some pics of the job as well
     
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  12. JON HUME

    JON HUME Active Member

    Location:
    Cheltenham
    Thanks for your help guys, much appreciated. It went well, I think the sun helped and also used warm water.
    upload_2018-6-22_6-44-56.jpeg

    upload_2018-6-22_6-45-19.jpeg
     
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  13. 3_fall

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

    Location:
    SW London
    Brilliant, glad it went well for you.
     
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