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Soundproofing Walls

  • 08-08-2007 12:29PM
    #1
    Don Pedro
    Closed Accounts Posts: 57 ✭✭


    Currently renovating a very old house, seems in the old days they didn't believe in soundproofing.

    The walls have been stripped back to the concrete. I would like to construct an effective soundproofing solution to block out noise from neighbours such as kids shouting, loud TV, alarm clocks going off at 6am etc...

    Anyone out there implemented an effective solution that didn't break the bank? Would love to hear your ideas.

    Many thanks,
    Peter


Comments

  • #2
    plasto
    Closed Accounts Posts: 75 ✭✭plasto


    You could use an insulated plasterboard. They come in a range of sizes from 1inch thick up to 6 inches. 3-4inches should be enough for what your looking for.
    If the house has been gutted use them on the external walls aswell, you will save 25% on your heating bill.


  • #3
    Don Pedro
    Closed Accounts Posts: 57 ✭✭Don Pedro


    Good man yourself, thanks a million for that...


  • #4
    GG66
    Registered Users, Registered Users 2 Posts: 712 ✭✭✭GG66


    Never used these but had a link in my bookmarks from previous research http://www.customaudiodesigns.co.uk/soundproofing/rubbermat.htm

    Just went with insulated plasterboard in the end, not in yet so cant testify as to how good it is.


  • #5
    Viking House
    Registered Users, Registered Users 2 Posts: 551 ✭✭✭Viking House


    Heavier materials give better soundproofing, that product looks like black polysterene and has a similar weight of 15kg/m3. Similar thickness's of Softboard 200kg/m3 would give a better soundproofing result in my opinion and allow your wall to breathe. Polysterene against a wall with no ventilation behind it can cause fungus and mould growth on the wall.


  • #6
    Mellor
    Registered Users, Registered Users 2 Posts: 40,562 ✭✭✭✭Mellor


    Viking House wrote:
    Heavier materials give better soundproofing, that product looks like black polysterene and has a similar weight of 15kg/m3. Similar thickness's of Softboard 200kg/m3 would give a better soundproofing result in my opinion and allow your wall to breathe. Polysterene against a wall with no ventilation behind it can cause fungus and mould growth on the wall.
    I agree twith Viking that lightweight insulations give little or know sound insulation. They are thermal insulators only.
    However, there appears to me a misconception about the product posted by GG66. it may look like polystyrene, but it certainly isnt. The density isn't 15kg/m3, its 700kg/m3. 15kg is weight per metre squared, for a 20mm board.
    This board is heavier that a softwood board and would give results of as good depending on situation.


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  • #7
    Viking House
    Registered Users, Registered Users 2 Posts: 551 ✭✭✭Viking House


    Sorry I read it wrong! Welcome back Mellor!
    What do you think it is made of? A cement board of some type?


  • #8
    One Cold Hand
    Closed Accounts Posts: 2,391 ✭✭✭One Cold Hand


    Regupol is a rubber sound proofing membrane. A good bit lighter, some of them are 450kg/m3, and only 5mm thick. I've only seen it used in floors but I presume it can be used in walls also?


  • #9
    Mellor
    Registered Users, Registered Users 2 Posts: 40,562 ✭✭✭✭Mellor


    Viking House wrote:
    Sorry I read it wrong! Welcome back Mellor!
    What do you think it is made of? A cement board of some type?
    I read it wrong the first time too, only noticed when i went back as 15kg is not worth much in terms of sound.
    I'm not sure what it is made of, I couldn't open the PDF file. As theres no adobe in ths internet cafe here in tyhe states. I'm not back fully yet but thanks for the welcome viking.
    With a high density like that its probably a fibre cement or rubber board (prehaps a composite of the two). it should help with sound transfer, as long as it is fixed firmly to the wall.

    What is the cost of it?


  • #10
    ircoha
    Closed Accounts Posts: 2,290 ✭✭✭ircoha


    Mellor wrote:
    I read it wrong the first time too, only noticed when i went back as 15kg is not worth much in terms of sound.
    I'm not sure what it is made of, I couldn't open the PDF file. As theres no adobe in ths internet cafe here in tyhe states. I'm not back fully yet but thanks for the welcome viking.
    With a high density like that its probably a fibre cement or rubber board (prehaps a composite of the two). it should help with sound transfer, as long as it is fixed firmly to the wall.

    What is the cost of it?

    The product code for the 20mm is A370 and is 28 STG plus VAT a sq metre

    It seems to be rubber based


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