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Need to level floor - Mix of concrete and boards

Discussion in 'Floors, Stairs and Lofts' started by diycider, 2 Oct 2019.

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  1. diycider

    diycider

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    Hi,

    I've just taken up some big horrible flags out of my kitchen that were laid on an inch or so of cement (still to do under kitchen units).

    I plan to put laminate down but the surface is going to need levelling.

    There is a concrete section, boarded section (little uneven) and some channels, one was some water pipes in. I've contacted a few floor fitters, but they aren't responding once I show them the pictures! Either they don't want the work or they don't like the look of the job.

    I'm unsure if I can simply buy some self leveller and pour in the gaps? Or will I need to plywood it all and then pour self leveller on top of the whole floor? It's around 16 square meters in total.

    Appreciate any advice! Picture below.

    [​IMG]
     
  2. Bonni

    Bonni

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    Some levellers will go to an inch thick but I would personally fill the gaps in with 4 parts sand 1 parts rapid set cement, mixed with 50:50 water and SBR.

    Then I would 50:50 Water/SBR the whole floor and whilst still tacky, float down leveller. You could mix bags and pour as you go.

    I've even done 3 parts building sand 1 part rapid cement and 50:50 water/SBR, floated a runny mix down and as it's setting, rub it with a wooden float and sometimes with a brick.

    I only use rapid set cement to get that kind of job done in the day.

    With it going over wood, maybe a laytex self leveller would be ideal.
     
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  4. Nozzle

    Nozzle

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    Whatever you do, protect (Denso Tape/conduit) those copper pipes or remove them first!

    Nozzle
     
    Last edited: 2 Oct 2019
  5. diycider

    diycider

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    Ok, thanks.

    Worried about getting it wrong as I know it could be a massive pain to fix.

    My garage floor could do with going over so might practice on that first!
     
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  7. dazlight

    dazlight

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    I’d put 6mm ply on the wood sections
    Then use primer and tile master levelflex on the channels.
    Then prime and screed the lot at 5mm.
     
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