Use of SLC

Discussion in 'Subfloor Preparation' started by DougB, Jun 22, 2018.

  1. DougB

    DougB New Member

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    Hi, My daughter's kitchen is being reworked and part of that was re-laying the floor slab (as it was originally part slab, part suspended). Sheet vinyl is to be fitted eventually. The slab has a fine aggregate ('stones' are about 3mm). I had a guy out to quote for installing self-levelling compound and it was £220 + VAT. I was quite astonished as it is quite a small kitchen and about 30% will have floor-standing kitchen units. He did say that the floor was quite level and probably didn't need SLC. We talked about it for a while and concluded that using a sealant would retain any partially loose surface stones. Afterwards, I wondered whether a sparse coating of SLC applied with a float would be an alternative (this would also fill in a few shallow 'holes'). Advice on this would be appreciated !
    Thanks !
     
  2. Neilydun

    Neilydun Well-Known Member

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    Why did he quote for it, if he then said it didn`t need it ?
    If it`s sheet vinyl, the floor will need to be smooth, and those surface stones will look like mountains under the finished floor.
    I would get the floor screeded before laying vinyl
     
  3. DougB

    DougB New Member

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    Hi, Neilydun, thanks for your reply. I asked this company for a quote so this guy came around, measured up, did the calculation, and gave me the verbal quote. It was only afterwards that we started discussing afternatives I fully agree with you that the surface of the sub-floor needs to be smooth and that is what I am striving for. I just thought that, as the sub-floor was already level, that a rendering with SLC to stabilise the surface would be a low-cost DIY alternative.
     
  4. Neilydun

    Neilydun Well-Known Member

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    It really wants a coat of screed, which should be done by someone who knows what there doing.
    Diy screeds are rarely any good, and often cause more problems than they solve.
    If your not happy, why not get another quote ?
     
  5. merit

    merit Well-Known Member

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    I’ve heard this from customers over and over again. Sounds like you don’t want to pay for the floor to be self levelled and instead want a feather coat as you probably think the floor is good enough for vinyl. Sounds like you’ve talked him out of doing a full screed as you feel it’s too expensive. I’m not sure you will be happy when it looks all lumpy and uneven


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  6. tarkett85

    tarkett85 Well-Known Member

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    It needs a proper floor layers screed at minimum, did he do any moisture testing?


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