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  • FIRST POST
    big-saver
    What are the best windows for noise reduction?
    • #1
    • 1st Oct 10, 11:52 AM
    What are the best windows for noise reduction? 1st Oct 10 at 11:52 AM
    I live on a noisy road and want to replace my old wooden sash windows with modern windows that reduce noise as much as possible.

    I want to buy the best possible window for noise reduction. The cost does not really matter - I don't want to spend less and get the wrong product.

    It could be double glazed or triple glazed with argon gas, wooden frame, uPVC frame or any other design. Whatever minimises the noise the most is what I am searching for.

    Can anyone help?

    Thanks!
Page 1
    • telsokari
    • By telsokari 1st Oct 10, 12:19 PM
    • 89 Posts
    • 19 Thanks
    telsokari
    • #2
    • 1st Oct 10, 12:19 PM
    • #2
    • 1st Oct 10, 12:19 PM
    my in-laws live on the A406 North Circular and have triple glazing. Double didn't do much. The triple works well for them from what ive seen

    they have the triple upvc
    • Arfa__
    • By Arfa__ 1st Oct 10, 12:36 PM
    • 456 Posts
    • 1,455 Thanks
    Arfa__
    • #3
    • 1st Oct 10, 12:36 PM
    • #3
    • 1st Oct 10, 12:36 PM
    ... and want to replace my old wooden sash windows with modern windows ...
    Originally posted by big-saver
    Nooooo!!

    Think very careful before you throw out these old windows, in most instances ditching them for uPVC will drop the value of your house. That said, you'll probably be able to flog them for a tidy bit of cash to those trying to correct other period houses that have blighted with uPVC...

    Does honestly sound like quite a predicament with the road noise. Many compromise by putting secondary glazing on top of the original sash windows, but I doubt this would be very effective against the noise.
  • amcluesent
    • #4
    • 1st Oct 10, 12:47 PM
    • #4
    • 1st Oct 10, 12:47 PM
    You can still get wood framed windows with double-glazed units.

    To minimise sound you need two different types of glass, the outer sheet being laminated and about 6mm and the inner sheet standard glass an 4mm. These won't resonate together and transmit noise. You also need the largest air gap between the glass and very good sealing around the frame etc. or sound will 'leak in' between the frame and house wall. And kind of fence or hedge will also help.
  • Idonex
    • #5
    • 1st Oct 10, 1:21 PM
    • #5
    • 1st Oct 10, 1:21 PM
    Triple glazing will reduce the noise the most. That being said i'm not sure if you can triple glaze wooden sashs or put triple glazing in new wooden sashs. If it's any help i just had some quotes done to put in new wooden double glazed sashs with draft proofing, renovate the inside of the windows (weights, ropes etc) and to repair damaged sills and it was about 1k per window. I'm more concerned about the cold than the noise though!
    Last edited by Idonex; 01-10-2010 at 1:24 PM.
  • big-saver
    • #6
    • 1st Oct 10, 1:29 PM
    • #6
    • 1st Oct 10, 1:29 PM
    Think very careful before you throw out these old windows, in most instances ditching them for uPVC will drop the value of your house. That said, you'll probably be able to flog them for a tidy bit of cash to those trying to correct other period houses that have blighted with uPVC...
    Originally posted by Arfa__
    The wooden sash windows look great and are in keeping with the terraced house built in 1890). I would rather use wood than plastic but none of the companies I have approached offer wooded frames.

    How would I go about selling the old frames?
  • big-saver
    • #7
    • 1st Oct 10, 1:33 PM
    • #7
    • 1st Oct 10, 1:33 PM
    To minimise sound you need two different types of glass, the outer sheet being laminated and about 6mm and the inner sheet standard glass an 4mm. These won't resonate together and transmit noise. You also need the largest air gap between the glass and very good sealing around the frame etc. or sound will 'leak in' between the frame and house wall. And kind of fence or hedge will also help.
    Originally posted by amcluesent
    Thank you. I was told this same thing by someone else: double glazing with one pane thicker than the other. And a large air gap. They said that this was better than triple glazing with panes of the same thickness e.g. 4mm 4mm 4mm.

    Is there such a product as triple glazing for noise reduction e.g. 4mm 10mm 4mm?
    • Owain Moneysaver
    • By Owain Moneysaver 1st Oct 10, 2:32 PM
    • 10,249 Posts
    • 13,031 Thanks
    Owain Moneysaver
    • #8
    • 1st Oct 10, 2:32 PM
    • #8
    • 1st Oct 10, 2:32 PM
    For noise reduction you need secondary double, or even triple glazing. Both outer and inner windows must be airtight, which will be a problem with old sash windows, and the reveals should be lined with sound-absorbent board. For triple glazing, use different weights of glass and have differing gaps between the windows. For noise reduction the bigger the gap (in inches, not mm) the better.

    Properly draught-stripping the sash windows will help a lot, and the existing windows may be able to have d/g panes fitted if the rebates are deep enough and you adjust the sash weights.

    Don't chuck the original sash windows, they are a feature.
  • big-saver
    • #9
    • 1st Oct 10, 3:13 PM
    • #9
    • 1st Oct 10, 3:13 PM
    For noise reduction you need secondary double, or even triple glazing.
    Originally posted by Owain Moneysaver
    Are you suggesting that the secondary glazing is double or triple glazed instead of single glazed? I'd not thought of that or seen it offered.

    For triple glazing, use different weights of glass and have differing gaps between the windows.
    Originally posted by Owain Moneysaver
    Do you know of any company that sells triple glazing with different weights of glass? The only triple I have found is the same thickness glass.

    Properly draught-stripping the sash windows will help a lot, and the existing windows may be able to have d/g panes fitted if the rebates are deep enough and you adjust the sash weights.
    Originally posted by Owain Moneysaver
    This sounds like a specialist and expensive. Do people offer such a service?

    Don't chuck the original sash windows, they are a feature.
    Originally posted by Owain Moneysaver
    What should I do with them? They look nice but they are terrible at insulation and noise reduction.
    • brig001
    • By brig001 1st Oct 10, 3:38 PM
    • 325 Posts
    • 175 Thanks
    brig001
    If you want to reduce noise, don't forget general draught-proofing - a hole will let more noise through than a pane of glass. Try sealing the skirtings to the floorboards - it's amazing how much gets in there. I would also look at insulating under the floor with dense fibre-glass batts to reduce the noise (and heat loss) further.
  • big-saver
    Thanks for your help everyone!

    I have received 2 quotes and have 1 more coming. I will update this thread with the prices and the result in case it can help anyone else.
    • Ionkontrol
    • By Ionkontrol 6th Oct 10, 12:18 PM
    • 779 Posts
    • 443 Thanks
    Ionkontrol
    I used this lot...

    http://www.thewoodenwindowcompany.co.uk/
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