Replace floorboards with ply or thinner ply over boards? Engineered Wood Flooring

Discussion in 'Carpenters' Talk' started by CFB, Oct 6, 2020.

  1. CFB

    CFB New Member

    Hi All,

    I'm planning to put in engineered wood flooring in a 1930s terraced house. All of the floors are currently carpet over floorboards.

    To provide the proper subfloor/level surface for gluing it down, is it better to:
    1. Take up the floorboards entirely and replace with 18mm ply?
    2. Lay 6mm ply on top of the floorboards?
    Total buildup is a concern, as the flooring is 21mm.
  2. Nanook

    Nanook Active Member

    I am not an expert but I absolutely would not take the floorboards out. Unless the boards are rotten or so seriously damaged that you have no other option, you should keep them.
  3. Astramax

    Astramax Super Member

    Flooring grade chipboard is available in 22mm thickness @ 600 x 2400mm.

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