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    • CommentAuthordelprado
    • CommentTimeNov 2nd 2017
     
    I know this question has been asked before, but I keep running into dead ends.

    Green building store are refusing to put anything thicker than 6-4-4 of glass into any of their frames (which is ridiculous)

    Russel Timbertech are refusing to quote as apparently too busy

    Who else is there?
    • CommentAuthorgyrogear
    • CommentTimeNov 2nd 2017
     
    ? a local artisan who -- with respect -- might have "a bit more clout" ?

    gg
    • CommentAuthormarsaday
    • CommentTimeNov 2nd 2017
     
    I am going to the harrogate build show tomorrow and have just spoken to this company in pontefract. they sound great and will be at the show.

    His price for a sliding patio door is around russell timber techs price (rough quote in convo on phone).

    I have had a price off RTT but they have been so hard to deal with i am wanting to find someone closer to where i am in yorkshire. So i am hoping this company will come up trumps. Here is the link

    http://www.totali.uk.com/timber/
    • CommentAuthortony
    • CommentTimeNov 2nd 2017
     
    Mainland Europe, no question about it
    •  
      CommentAuthordjh
    • CommentTimeNov 2nd 2017
     
    Posted By: delpradoGreen building store are refusing to put anything thicker than 6-4-4 of glass into any of their frames (which is ridiculous)

    Why is it ridiculous? And what do you actually want to put in?

    Who else is there?

    As you said, there've been lots of names mentioned in other threads and there are lots of adverts in the press, so you probably need to tell us what you're looking for and give us an indication who you've ruled out and/or why, to give us some idea who to suggest.
  1.  
    ''Green building store are refusing to put anything thicker than 6-4-4 of glass into any of their frames (which is ridiculous)''

    Yes, I don't understand your point either. How thick do you want the glass to be? My Eco Contract Ultra 3G GBS windows had 4/18/4/18/4 units, with toughened glass and appropriate bells and whistles.
    • CommentAuthordelprado
    • CommentTimeNov 3rd 2017
     
    Thanks all. I want to achieve 45db sound attenuation, which something like 10-6-4 gives me.

    Its annoying with green building because they claim its too heavy, yet Katzbeck dont have an issue and actively market a very heavy window (through phstore). Does anyone know anything about Katzbeck?

    In terms of what else I am looking for I think they will have to be ph certified as they are properly tested, etc, and will have very good seals, which is obviously mandatory for cutting sound
    • CommentAuthortony
    • CommentTimeNov 3rd 2017
     
    go 3g it is great for cutting out noise
    • CommentAuthordelprado
    • CommentTimeNov 3rd 2017
     
    3g is of no benefit over 2g for noise
    •  
      CommentAuthordjh
    • CommentTimeNov 3rd 2017
     
    Have you tried the Pilkington sound simulator?

    http://www.pilkington.com/cmsapplications/soundsimulator4/Sound%20Simulator.html?lightbox[iframe]=true&lightbox[width]=1010&lightbox[height]=740

    Both they and Saint-Gobain offer double-glazed rather than triple-glazed acoustic solutions, including 45 dB solutions.

    Since Katzbeck make a point of saying that their windows are stronger than all others, I'm not sure why it is a surprise that increasing the weight of glazing by 2/3 might not be in the design parameters of other windows. Most people are more interested in the thinness of the frame rather than its ultimate strength, and in the lower costs that accrue from using standard sections in smaller sizes.

    I don't know anything about Katzbeck, but I have used phstore successfully. Abbey Glass claim 47 dB in a 3G 44 mm unit, but I know nothing at all about them. Presumably their glazing units would fit any PH frame.
  2.  
    ''3g is of no benefit over 2g for noise''

    Bearing in mind what variables? We had 2G windows with 4/6/4 units and fair draught-stripping. The 3G (4/18/4/18/4) makes a *massive difference* to noise from outside.
    • CommentAuthortony
    • CommentTimeNov 3rd 2017
     
    +1
    •  
      CommentAuthordjh
    • CommentTimeNov 3rd 2017
     
    Posted By: Nick ParsonsBearing in mind what variables? We had 2G windows with 4/6/4 units and fair draught-stripping. The 3G (4/18/4/18/4) makes a *massive difference* to noise from outside.

    It's the wider airspace that makes most difference, followed by the extra mass of the third pane. But acoustic laminated glass makes even more difference, apparently.
    • CommentAuthorDarylP
    • CommentTimeNov 4th 2017
     
    3G makes a circa 50% reduction compared to 2G, all other things being equal.:devil:
    ... and different width spacer bars.
    • CommentAuthortony
    • CommentTimeNov 4th 2017
     
    And different thickness glass also helps a tad

    I have four levels of draught strips and absolutely no air paths between inside and outside and solid frames and no trickle vents.
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