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Housing - Renovation: uPVC 3G from Whiteline to PH standard (Uw = 0.8W/Km^2)

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    •  
      CommentAuthorDamonHD
    • CommentTimeJul 11th 2012
     
    London
    • CommentAuthorgooday
    • CommentTimeJul 11th 2012
     
    ok im in Essex so not a million miles away.

    Keep us updated on how you get on.

    thanks
    •  
      CommentAuthorDamonHD
    • CommentTimeJul 11th 2012
     
    Well, FWIW, I'll be doing the write-up here:

    http://www.earth.org.uk/triple-glazing-3G.html

    but for now it's mainly links back to this thread!

    Rgds

    Damon
    • CommentAuthorEd Davies
    • CommentTimeJul 11th 2012
     
    Sorry, but the idea of getting a glazed look from a window fitter amuses me, somewhat.
    • CommentAuthorgooday
    • CommentTimeJul 11th 2012
     
    Can anyone recommend a 3G UPVC suppier in the Essex area that supply the Rehau frames, the guy that I know has asked his supplier and they have basically laughed at him and told him all sorts why not to use them.

    Hinges wont take the weight, beads dont fit, 3 times the price of 'A' rated etc.

    I have been on the Rehau website for there 'preferred suppliers' in my area but none are being particularly helpful!

    thanks
    • CommentAuthorjms452
    • CommentTimeJul 11th 2012
     
    I remember it being surprisingly difficult to get 3G UPVC too!

    We used eurocell eurologik (7 chambered construction) which is used to get 2G up to A rated or with a narrower bead can take 3G.
  7.  
    gooday, various midlands manifacturers have weekly delivery runs in the SE and are good value ,
    I'd imagine most SE guys would also run similar delivers all over.
    • CommentAuthorRobinB
    • CommentTimeJul 12th 2012 edited
     
    Rehau windows also used in the "UK's first passivhaus care home" see News article on this website.
    •  
      CommentAuthorDamonHD
    • CommentTimeJul 18th 2012
     
    I got my quote: about £400/m^2 incl VAT and install.

    Rgds

    Damon
  10.  
    Posted By: goodayCan anyone recommend a 3G UPVC suppier in the Essex area that supply the Rehau frames, the guy that I know has asked his supplier and they have basically laughed at him and told him all sorts why not to use them.

    Hinges wont take the weight, beads dont fit, 3 times the price of 'A' rated etc.

    I have been on the Rehau website for there 'preferred suppliers' in my area but none are being particularly helpful!

    thanks


    U-values in windows are only part of the equation. How many of suppliers have tested windows with triple-glazing ? 50% increase in sash weight is going to put a lot of extra strain on ironmongery and the fixings. I'd recommend asking what size sashes have they tested to BS6375-2 with triple-glazing. Same question for BS7950 (for enhanced security) if they are claiming secured by design.

    Monty
    •  
      CommentAuthorDamonHD
    • CommentTimeJul 19th 2012 edited
     
    OK, I've stayed with the dark side, and expect to hand over a deposit in half an hour or so.

    But I'm fairly optimistic that this will work well and resolve a number of issues at once.

    Rgds

    Damon

    PS. Still need to work out where to put extra MHRV to keep RH under control in winter amongst other things, and complete our IWI fun. May even sneak a little more loft insulation in for giggles.
    •  
      CommentAuthorDamonHD
    • CommentTimeJan 11th 2020 edited
     
    Just an update for amusement / interest: we've had a series of unit failures over the last 8 years, with the outer pane shattering spontaneously on a chilly (though not usually very cold) night in each case:

    http://www.earth.org.uk/triple-glazing-3G.html#Failures

    Warmlite has been very good about fixing the issues under warranty, quickly and professionally.

    Rgds

    Damon
    •  
      CommentAuthordjh
    • CommentTimeJan 11th 2020
     
    Posted By: DamonHDWarmlite has been very good about fixing the issues under warranty

    OTOH you seem to have had quite a few failures with their products. FWIW we have had no failures with our glazing in five years. Well except for a toughened glass door that succumbed to a stone thrown up by the lawnmower.
    •  
      CommentAuthorDamonHD
    • CommentTimeJan 11th 2020
     
    We were some of the first off a new production line, I think. Other than a little excitement no harm has been done.

    And we still have a couple of years left on the warranty!

    Rgds

    Damon

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