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Velux Windows

Posted by richardr-181963 - Created: 16 years ago
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3 replies (Showing replies: 1 to 3)

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Posted by richardr-181963 - 16 years ago

Hi J/danonimes

Thanks for the thoughts - very useful. It's actually a flat and the top floor of a now-duplex appartement on 5th floor - effectively new as it's a renewal/refurbish project by pukka promoter so presumably (I am naive!) it's done on a profitable basis and must ultimately be a sensible scheme (rather than just joe bloggs doing a quick job to extend an existing space). It will have good (newly-done) roof and insulation as well as aircon and looking on the velux site, there are other ways of countering the heat & noise with things like external roller shutters (they would make it sound good though...). The problem really is that as it's new you won't actually know until you're actually in...

Regards, Richard


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Posted by Andy G-190935 - 16 years ago

Does anyone know if you need planning/neighbor permission to fit them?

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Posted by danonimes-184717 - 16 years ago

Richard, Yes to everything. Sounds like you've worked it all out for yourself.In Northern France and Belgium, most roof pitches are in the order of 40-50 degrees, so rain hits Velux windows at a shallow angle and the noise is not so much of a problem. In the south of France, roof pitches tend to be in the 20-30 degree range so the rain hits a more horizontally aligned surface, thus making producing more noise. You can deaden the sound by putting carpet over them.Unbearably hot in summer? Yes, even if the surrounding roof area is sufficiently insulated, Velux windows may provide an unwelcome thermal bridge. Leave them open (see later comments) to allow the hot air to escape. Remember that you will also need an air "supply" from an open door or other open window to replace the escaped air. Alternatively, consider aircon in 'attic' rooms - in which case they will need to remain closed.Closed when raining? Depends on the wind direction, also the roofing materials and the way they have been fitted. As a general rule, yes they should be closed to protect internal furniture, fixtures and fittings, as well as any plasterboard surrounds from "showering", even if direct rain is not a problem. Consider fitting humidity detectors on the roof which activate electrically driven closing mechanisms for your windows.The integral blinds tend to let light pass, much like thin curtains. Leave them open and you can watch the stars at night. If the light in the mornings bothers you, try wearing eye masks (as supplied on long-haul flights).To summarise, yes they can be made to work here and they may be the only option if the depth of the attic wall does not allow the installation of fuller, vertical windows. On the other hand, a sun terrasse, with full length (vertical) patio-style doors may be the answer.Hope this helps.J