Removing Kardnean and Plyboard Screwed to floorboards

Discussion in 'Vinyl / Impervious floor coverings' started by Fraise, May 1, 2013.

  1. Fraise

    Fraise Member

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    Hi All

    Upstairs to me the neighbours have Kardnean fitted directly onto 6mm ply board, which is screwed into their floorboards. We have agreed to have it removed (HUGE noise issues ) and I'd like to know if it's as straightforward to remove as laminate is?

    Thank you in advance!:)
     
  2. Floorguy1978

    Floorguy1978 Well-Known Member

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    Not as easy a laminate to remove. The karndean will be we'll stuck to the ply and there's probably a lot of screws or pins holding the ply down. A good half day of graft to remove all trace of it.
     
  3. coolevilangel

    coolevilangel Well-Known Member

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    simple answer
    No, its not as straight fwd as laminate is to remove..
    With it being screwed, be more time consuming unscrewing every one than anything else tbh
    As there will be a screw every 6-8 inches square throughout the entire ply'd area
    But its not a hard job
     
  4. g4l

    g4l Well-Known Member

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    What you need is some Instalay, have a word with Daz on here to sort you out.
     
  5. SandyFloor

    SandyFloor Well-Known Member

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    Is it being replaced with carpet?....if so why not just fit over it?
     
  6. dazlight

    dazlight Super Moderator

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    Very funny
     
  7. dazlight

    dazlight Super Moderator

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    It's not that noisy I don't think.
    In my house. The rooms above have Karndean in one and laminate with Karndean in the other ( don't ask lads ) and the noise from the laminate is 10 times worst then the Karndean.
     
  8. Fraise

    Fraise Member

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    Thank you for your advise. Much appreciated:)


    Thanks for replying:) So from what you say, it's not actually difficult to remove, it's just much more time consuming? I was worried that maybe all the Kardnean will be stuck to the ply board....making it impossible to remove? If that were the case, could the ply board and Kardnean be pulled up all in one? Also, if the fitter just removes the Kardnean and leaves the ply board down, once it's covered with underlay and carpet, will the noise reduction be as good as it would be if the ply board was removed too? In other words, will the noise reduction be better if the ply board is removed too?


    Instalay? What is that, please?


    Hi, yes it is being replaced with carpet and underlay. I have bought the underlay (Mohawk) which is a fairly new one from America, and reduces impact noise by up to 55db - hopefully! Then carpet will go on top of that. The reason for pulling up the Kardnean is that I fear I'll still suffer noise from above, even if underlay and carpet is on top of it? The noise is HORRENDOUS!

    Hi, I don't know what laminate sounds like from above, but this Kardnean seems to thud, echo and vibrate too. The only way I can describe it is if you can imagine a family of hyperactive, overweight kangaroos wearing clogs and practising the River Dance for about 6 hours a day - while an elephant slowly marches in every so often and slowly drags trunks across the Kardnean every so often - well, that's what it's like. :x
     
  9. pf flooring

    pf flooring Well-Known Member

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    Regupol, uplift the karndean which is completely stuck down to the ply then they could have amtico or karndean put back down and it will nullify the noise to an acceptable level or just stick carpet over the top.
     
  10. Fraise

    Fraise Member

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    Sorry, I don't understand what you mean?

    Why would we take up the Karndean and then put it back down again??? The whole point is to get rid of the Karndean which is creating the noise - why would we take it up to put it back down again??:(
     
  11. merit

    merit Well-Known Member

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    Is the noise from footfall or squeeking boards? If its boards you will need to lift the subfloor to sort out
     
  12. dazlight

    dazlight Super Moderator

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    The regupol goes on the plywood and under the Karndean. If that had been used in the beginning then there would be no issues with sound. Great gear.

    Do you own the flat about? It will be a nightmare to lift the Karndean up. Carpet over it.
     
  13. Fraise

    Fraise Member

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    The noise is from footfall. The floorboards are fine.

    Before the Kardnean was laid there was carper (thin carpet) and there was hardly any footfall noise at all.
     
  14. Fraise

    Fraise Member

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    But if the Kardnean is glued to the ply board, how can we separate it to put regupol between?

    Out of interest, how much does regupol cost - and is the noise reduction as good as thick underlay and carpet? The underlay I have chosen has a 55db reduction and is the next step down from soundproofing.

    If I carpet over the Kardnean there will still be a noise issue with impact footfall, surely?

    My carpet fitter said he can lift the Kardnean up - may take some time and graft - but it can be done.

    How difficult would you say it is then?

    Yes,I do own the property.
     
  15. dazlight

    dazlight Super Moderator

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    You can't lift karndean up and put regupol down then put the karndean down.
    You would of used that when the floor was fitted.
    How easy to uplift will depend on what adhesive was used on the karndean and if the plywood was screeded with feather finish.
     
  16. Fraise

    Fraise Member

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    I didn't actually have the kardnean fitted, so I'm not sure if regupol was put down - I don't think it was actually. The noise is horrendous.

    However, the kardnean must be able to come up somehow - whether difficult and time consuming, or fairly easy. Would a heat gun help lift it?
     
  17. pf flooring

    pf flooring Well-Known Member

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    Hard graft and plenty of time is the only thing that will get it up, if put down properly in the first place.
     
  18. Freeley

    Freeley Well-Known Member

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    As others have said why give yourself the grief of uplifting when you can leave it down and just lay the underlay and carpet over the top?
    That's what I would do anyway.
     
  19. SandyFloor

    SandyFloor Well-Known Member

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    I think the noise is simply due to Karndean being hard flooring and bare floorboards would be even noisier so I can't see the point of uplifting the Karndean floor prior to fitting carpet. If the Karndean is properly fitted it will be quite solid and even a teeny little extra insulation.
     
  20. Fraise

    Fraise Member

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    Many thanks for your replies.

    Seems like the kardnean may as well remain. Touch wood the underlay and carpet will do the job!
     

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