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Floor installation method

Discussion in 'Floors, Stairs and Lofts' started by avangard, 4 May 2013.

  1. avangard

    avangard

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    Hi,

    I'm thinking about replacing my current carpet floor with engineered wood, but need some advice on the installation method.

    This is the suspended timber ground floor. The floor plan is as on this picture:

    I want to install new floor in the lounge (green and blue on the plan) and the hall (yellow). The green area has plywood on top of original floorboards, the blue area has 5-finger mosaic glued onto fiberboard which is glued onto floorboards. Hallway (yellow) is just floorboards.
    Joists are going front to back and original floorboards across the house.

    My initial plan was to put 10mm plywood in the hall to make it level with the lounge, cover the whole area with rubber underlay and install 18-20mm engineered floor floating, with planks going longwise (front to back)

    But then got a bit concerned about the hallway being too narrow for floating. Should I glue/nail it instead then?

    Can I do without a threshold under the door between these the hall and the lounge?

    Is it possible to combine two installation methods? E.g. floating in the lounge and nailing in the hallway?
     
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  3. WoodYouLike

    WoodYouLike

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    Why would the hallway be too narrow for floating??

    Do use a thresholds in between the areas, the climate in the hallway will be different than in the larger area. And use an underlayment that doesn't contain a DPM since all your underfloors will be either existing floorboards or sheet material
     
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  4. avangard

    avangard

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    The hallway is just 1m wide in its narrowest part. Won't the floating floor be susceptible to movement there? E.g. the edge plank pushed to the side under the heavy traffic.

    By the way, how tight is the t&g supposed to be in a quality floor? I got a couple of samples and the fit is quite loose on those - allows vertical movement of about 1 cm of one plank against another.
     
  5. WoodYouLike

    WoodYouLike

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    That's way too loose! Bring back what you bought and ask a refund, they've sold you rubbish!
     
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  7. avangard

    avangard

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    I got it for free, it's just a couple of samples. So how tight the fit should be? Should it require force to push the tongue into the groove?
     
  8. WoodYouLike

    WoodYouLike

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    Just a bit of gentle force, it shouldn't take a hammer
     
  9. avangard

    avangard

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    Thanks WoodYouLike,
    So do you think floating method is ok in this hallway? Do I need to do anything extra to fix planks on edges, or will they be held in place by glued t&g?
     
  10. WoodYouLike

    WoodYouLike

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    Yes, plus their own weight. Undercut all architraves and slide the boards underneath it, this will also hold them down
     
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