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Sound Proof Flooring For Upstairs

  • 13-06-2019 7:53am
    #1
    stickman1019
    Registered Users Posts: 165 ✭✭


    Hi Guys,


    Did a search on the forum but found no real definitive answer.

    I have an upstairs storage room which will be used for future storage / games room.


    I want to put down flooring that would provide a good sound proofing to the downstairs.

    What I was thinking was the below products

    MDF Sheeting on top on Timeber Joists
    An Acoustic Underlay
    Standard Flooring Under Lay
    Laminate Flooring


    Would this be sufficient to provide a decent enough finish.


    Also is MDF sheeting the best to be using.


    Apologies but I am a compete novice when it come to the wood working side of things


Comments

  • #2
    Lumen
    Registered Users, Registered Users 2 Posts: 31,168 ✭✭✭✭Lumen


    At least: high density (acoustic) rockwool between the joists, acoustic joist strips over the joists, OSB, underlay, flooring.

    You might have problems with flanking sound though (going round your subfloor treatment).

    And/or read this....

    TGD E - Sound
    https://www.housing.gov.ie/housing/building-standards/tgd-part-e-sound/technical-guidance-document-e-sound-2014


  • #3
    stickman1019
    Registered Users Posts: 165 ✭✭stickman1019


    Lumen wrote: »
    At least: high density (acoustic) rockwool between the joists, acoustic joist strips over the joists, OSB, underlay, flooring.

    You might have problems with flanking sound though (going round your subfloor treatment).

    And/or read this....

    TGD E - Sound
    https://www.housing.gov.ie/housing/building-standards/tgd-part-e-sound/technical-guidance-document-e-sound-2014

    Thanks Lumen would that be with standard / accoustic underlay only ?

    Or could both be used


  • #4
    Lumen
    Registered Users, Registered Users 2 Posts: 31,168 ✭✭✭✭Lumen


    stickman1019 wrote: »
    Thanks Lumen would that be with standard / accoustic underlay only ?

    Or could both be used
    I wouldn't double up on the underlay.


  • #5
    stickman1019
    Registered Users Posts: 165 ✭✭stickman1019


    Thanks


  • #6
    mfceiling
    Registered Users, Registered Users 2 Posts: 12,880 ✭✭✭✭mfceiling


    Put something between the joists and the floorboards first. Strips of heavy rubber or perhaps cork. This is where the noise is most likely to be effected first.


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  • #7
    tabby aspreme
    Registered Users, Registered Users 2 Posts: 4,049 ✭✭✭tabby aspreme


    Has anyone used, Easy Screed, on top of plywood as a retrofit for sound insulation. A neighbour of mine is talking about this, and I had a quick look at his floor today, nine inch joists are there with plywood on top, but from walking around I would think there is not much bridging in place, as there is a lot of creaking going on, I will pull up a sheet in the next few days to see exactly what it's like, he also mentioned putting sand in suspended trays between the joists to absorb noise.


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