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draughty velux windows

  • 29-10-2008 10:35am
    #1
    babybuilder
    Registered Users, Registered Users 2 Posts: 1,099 ✭✭✭


    hello

    I've just moved into my new 1.5 storey house. I am not happy with the U-values of the velux windows and have discovered that several of them tend to allow draughts in especially at the corners between the window frames and the opening part. I am considering two options at the moment. First, that I could replace the whole window and put in a fixed non-opening velux (possibly triple glazed?)but this would be expensive. Second, I am thinking of sealing the windows with a silicon sealer and/or taping them closed.

    Is there anyone out there who has similar problems with veluxes and I would appreciate any advice on the matter.

    Thanks
    Babybuilder


Comments

  • #2
    brettmirl
    Registered Users, Registered Users 2 Posts: 2,429 ✭✭✭brettmirl


    Are the windows new or a few years old?

    I had a similar problem before, and priced getting the windows replaced. Was too expensive.

    Instead, I called a repair man who changed the hinges on some of the windows. Problem solved. It would seem that old age had caused the hinges to loosen a bit. Worth checking out instead of replacing the whole window.


  • #3
    babybuilder
    Registered Users, Registered Users 2 Posts: 1,099 ✭✭✭babybuilder


    Thanks Mick Irl

    The veluxes are new. All of the windows in the house are triple glazed apart frm the veluxes and I regret now that I did'nt put in triple glazed fixed units now. I have a MHRV unit installed and running at normal setting and condensation has started to form on the inside of the veluxes but the triple glazed windows have none. Obviously the cold glass (poorer U-Value) of the veluxes is causing this.


  • #4
    Heatherview
    Closed Accounts Posts: 152 ✭✭Heatherview


    Hi babybuilder
    Velux have a great name in window manufacture. It sounds like the window is slightly strained ? could be installed incorrectly not squared up before installation or batten thicknesses on roof uneven causing strain.
    Ring velux technical and have a service man check it out before you do anything. He will advise you accordingly.

    Heatherview


  • #5
    RKQ
    Registered Users, Registered Users 2 Posts: 2,292 ✭✭✭RKQ


    I agree with Heatherview, sounds like the frame is strained.
    Wouldn't recommend sealing shut with silicon.
    Nice to open a Velux in warm weather for natural ventilation - could be unbearable in summer if it was sealed shut!

    It would be cheaper to remove velux and reinstate roof rather than remove existing glazing and replace with triple glaze.

    Air tightness is very important but lets not get carried away, we need to breathe!


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