Subfloor has a ramp and is unlevel

Discussion in 'Subfloor Preparation' started by Eleohant Nun, Apr 21, 2024.

  1. Eleohant Nun

    Eleohant Nun New Member

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    We recently knocked down a wall between kitchen and dinning room.
    The floors either side of where the wall are not flush to each other all the way across where the wall has been.

    On one end they are flush, but on the other end, there is about a 30 mm height difference between floors (see floor plan). This might be due to subsidence, not sure.
    From one wall where they are flush, all the way across to the other end, where it isn't, the ramp increase is gradual, almost like if you were to twist a long rectangular plank, no sudden changes in the ramp.

    We plan to lay some laminate flooring in both rooms but are a bit unsure about how to tackle this issue.
    Using a threshold would not work because the ramp is not uniform across, wall to wall.
     

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  2. merit

    merit Well-Known Member

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    This happens all the time. You can either screed the ramp out or you have to break the high spot out and re do it
     
  3. Eleohant Nun

    Eleohant Nun New Member

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    I'm not sure what that means. When you say screed the ramp out, do you mean pour levelling compound in the dining room to the height of the ramp?
     
  4. Eleohant Nun

    Eleohant Nun New Member

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    I think I 'll need more detail so i understand what you mean. I'm not a builder so my understanding is that you pour screed in the dining room so it levels out the dining room and make it flush with the kitchen? The floors in both the dining room and kitchen are marley tiles and may contain asbestos. I suspect I would need to break up the tiles to create a surface that the slc can bond to as I don't think it would bond to marley tiles as well.
    Would this be the only option?
     
  5. dazlight

    dazlight Super Moderator

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    If they are solid ardex na will stick to them. But best advice is take all the tiles up and get a pro in to prepare the sub floor for you.
     
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  6. Constantin Floors

    Constantin Floors New Member

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    Hi all, just want to share a website that has useful tips on different type of flooring installation. It is a flooring contractor that started way back 2002. You can look for Constantin Floors Inc or visit its webiste . feel free to read and learn with its insightful articles.
     
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