ᐅ Windows and doors from a single provider or separate? – Experiences?

11ant schrieb:

I recommend choosing aluminum for the door elements (front door, lift-and-slide doors), while the rest can be PVC. Personally, I would use aluminum throughout, but the average buyer has more money than sense and prefers to buy cheap and replace more often.

May I ask what is considered bad about modern PVC windows? According to Google, their lifespan is also around 25–40 years. I would only be concerned about the film coating on colored frames.

HuppelHuppel schrieb:

May I ask what is considered bad about modern PVC windows?

Basically, nothing. But @11ant never claimed otherwise.
You can also get lift-and-slide doors or front doors made of plastic. However, there are better frame materials for these areas – namely aluminum.

HuppelHuppel schrieb:

According to Google, their lifespan is also around 25-40 years.

Better leave out the 25. 40 years is definitely achievable.

nordanney schrieb:

Basically nothing. But @11ant didn’t claim that either.
You can also get lift-and-slide doors or front doors made of uPVC (plastic), but for these areas, there are better frame materials – namely aluminum.

Better leave out the 25 years. 40 years is no problem at all.

If I interpret his post correctly, he chooses aluminum for the windows as well -> Average Joe buys PVC windows -> prefers cheaper and more frequent replacements.

“I would personally always go for aluminum, but Joe Average has extra money and prefers buying cheap and often.”

HuppelHuppel schrieb:

May I ask what is considered bad about modern PVC windows? According to Google, their lifespan is also around 25-40 years. I would probably only be concerned about the foil coating on colored frames.

As a former window dealer (all materials) and manufacturer (aluminum only), I don’t need to ask Google on this. PVC, as the common name suggests, is a plastic. The durability in terms of biodegradation is more of an ecological than an economic argument against PVC. Technically, plastic windows do not require replacement significantly earlier, but visually they do: PVC windows look so fresh in the first three years that even as a professional I can only tell the difference to aluminum surfaces with the right glasses. However, after about 15 to 20 years, PVC windows become brittle due to the loss of plasticizers and start to look as if the frames have been scrubbed with abrasive cleaner during window cleaning. Aluminum windows, on the other hand, still look like new after 50 years. For colored frames, foil laminates are not necessary on PVC; co-extrusion is clearly the better option. Aluminum can also be laminated, and achieving a wood look with powder coating is only convincingly possible at a disproportionate cost.

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11ant schrieb:

As a former window dealer (all materials) and manufacturer (aluminum only), I don’t need to ask Google here. PVC, as its common name suggests, is a type of plastic. Its durability in terms of decay resistance is more of an environmental than an economic argument against PVC. Technically, plastic windows don’t need to be replaced noticeably earlier, but visually they do: PVC windows look so fresh in the first three years that even I, as a professional, can only tell the difference from aluminum by using the right glasses. However, after about 15 to 20 years, PVC windows show brittleness due to the loss of plasticizers and look as if the frames were scrubbed with abrasive cleaner during window cleaning. Aluminum windows, on the other hand, still look like new after 50 years. For colored frames, you don’t need to use foil coating with PVC; coextrusion is clearly the better method. Aluminum can also be foil coated, but achieving a wood look with powder coating is only convincingly possible at a disproportionately high cost.

Thank you. My wife wants gray windows (inside and outside), and in the end, the extra cost for plastic with foil coating compared to aluminum might not be that much...

I like coextrusion, but I guess it’s not very common?

HuppelHuppel schrieb:

My wife wants gray windows (inside and outside), and in the end, the extra cost for plastic with foil compared to aluminum might not be that high...

Most women have qualities that more than make up for such quirks. PVC, even when foil-coated, is still offered significantly cheaper than aluminum. I wouldn’t want foil at all, not even on the inside. 7016 is the new standard gray (and in my opinion, it won’t stay trendy forever). Aluminum looks most elegant in dark chocolate brown; anthracite can’t compete with that at all. When exactly the new bicolor trend will arrive, my crystal ball is still cloudy. But that will probably be more of an avant-garde trend rather than mainstream.

HuppelHuppel schrieb:

I like co-extrusion, but I guess it’s not that common?

That’s similar to thinking for yourself or forming your own opinion and taste. Also good, but not a bestseller. Co-extrusion also requires compromises—“perfumers” of granules can't find suitable compounds for every imaginable color tone.

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