ᐅ Wood-aluminum windows in new buildings often produce loud creaking noises.

Created on: 15 Aug 2018 16:21
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Wollie
Hello,
we have been living in our newly built home for about 4 months. The exterior of the house has not been plastered yet. We have very high-quality wood-aluminum windows (oak on the inside and black on the outside). Unfortunately, the windows creak a lot. Especially in the morning when it gets warmer (just the rising sun is enough), and especially in the evening when it cools down, and at night (which is, of course, the worst).

There are three types of noises: first, a loud bang (occasionally), as if the entire window frame were about to pop out of the wall; second, a noise like a “puff” on the glass pane (as if a large insect hit it; it almost sounds like lighting a small indoor firework because we have many windows); and third, a knocking in the wall, as if someone were hitting a plastic pipe with a metal rod.

The last issue was solved by covering the external shutter box with an insulation foil (since the house is not plastered yet). However, the other two problems are still there. The window company has already been here four times and removed the glass panes, installing new glazing blocks (initially only on three windows to test if that helps). The “puff” noises on the panes have improved with this. However, the window company is now unwilling to do anything further. They say that window creaking is normal.

We know many people who have wood-aluminum windows (also from the same company), and they have no problems at all. What can we do? Who can we contact?

Thank you very much.
11ant16 Aug 2018 15:00
Wollie schrieb:
No, the other acquaintances also have dark anthracite on the exterior. I think that shouldn’t make much of a difference.

There have to be some differences: different wall materials, different installation depths, different assembly methods... – it’s not arbitrary whether it creaks with blue-eyed homeowners and not with brown-eyed ones.
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cschiko
16 Aug 2018 15:26
We also have wood/aluminum combinations with white painted pine on the inside and anthracite with iron mica on the outside. There is absolutely no creaking, and this should normally not happen. It must be related to overheating. Is it a local window manufacturer? Since you mentioned you had direct contact with the owner? Otherwise, you could consider contacting the manufacturer of the profiles/windows.
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Wollie
16 Aug 2018 15:56
11ant schrieb:
There must be some differences after all: different wall materials, different installation levels, different assembly methods, ... — it’s not arbitrary whether blue-eyed builders experience cracking and brown-eyed builders don’t.

Well, we all have blue eyes, so that can’t be the reason...
I also think it must be something related to the house itself. The only difference I can find so far is that we built with brick and the house is not yet plastered. The others built using pumice blocks or timber frame construction, and all of those houses are plastered.
cschiko schrieb:
It must have to do with heating up; is it a local window installer? Since you mentioned you had direct contact with the owner? Otherwise, you could also contact the manufacturer of the profiles/windows.

Yes, it definitely has something to do with heating up. Yes, it is a local window installer who has an excellent reputation. That’s why it’s tricky. Maybe it’s a general design flaw or the wood was not properly conditioned during processing (too wet, too dry?). Or maybe the problem is not with the window itself, but with the blinds? The guide rail of the blinds?