LVT over quarry tile...

Discussion in 'Subfloor Preparation' started by totallyfloored, Oct 18, 2018.

  1. totallyfloored

    totallyfloored New Member

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    hi all!
    Going to be laying LVT in the kitchen which is 75% floorboards 25% old tiles, in poor condition.
    Planning to ply over the boards, paint on DPM over the tiles then levelling compound to match the height of the ply on the adjacent boards.
    Is that the right way to go, or would it be best taking the tiles up and using concrete?
    cheers!
     
  2. burdman

    burdman Well-Known Member

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    How old is the house?..are they the small square red quarries?


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  3. totallyfloored

    totallyfloored New Member

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    house is approx 110 years old. tiles are red, about 8cm I'd say
     
  4. Spacey

    Spacey Super Moderator Staff Member

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    You can DPM over if the tiles if they are solid but it's always best to uplift and start fresh.
    Rather than concrete use a smoothing compound bulked out with kiln dried sand or chippings Then your not waiting for concrete to dry
     
  5. burdman

    burdman Well-Known Member

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    Am I right in saying you’d still have to dpm tho cause those tiles were the ‘dpm’ in them days?


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  6. Spacey

    Spacey Super Moderator Staff Member

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    Yes sorry Still needs a liquid DPM
     
  7. merit

    merit Well-Known Member

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    Be cheaper to uplift old tiles and put down a sand cement screed with a proper dpm sheet beneath it


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  8. merit

    merit Well-Known Member

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    Or use topcem or rapid drying screed


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  9. merit

    merit Well-Known Member

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    Sorry just read it back...your only lifting the tiles! Just levelling compound them


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