Hello home builders,
I received my windows on Friday and now I am quite upset!
We have a window in the stairwell with rough opening dimensions of 76cm (30 inches) width and 334.5cm (132 inches) height! The window is fixed and must be laminated safety glass (VSG). In all the plans, this was shown as a single continuous pane. There were no notes or questions from the construction company. Now this window has a division (mullion) at 110cm (43 inches). This division does not fit the façade concept at all!
First statement from the contractor: This glass cannot be ordered like this because of structural issues.
First statement from the window supplier: There are no glass panes longer than 3m (10 feet).
I feel completely misled; everyone says something different and on Friday we had a great "telephone game" situation (I call the contractor, who calls the window supplier, who calls his installer on site, and this person tells me something totally different from what was asked).
Who has helpful information confirming that such a window is indeed possible WITHOUT a mullion?

I received my windows on Friday and now I am quite upset!
We have a window in the stairwell with rough opening dimensions of 76cm (30 inches) width and 334.5cm (132 inches) height! The window is fixed and must be laminated safety glass (VSG). In all the plans, this was shown as a single continuous pane. There were no notes or questions from the construction company. Now this window has a division (mullion) at 110cm (43 inches). This division does not fit the façade concept at all!
First statement from the contractor: This glass cannot be ordered like this because of structural issues.
First statement from the window supplier: There are no glass panes longer than 3m (10 feet).
I feel completely misled; everyone says something different and on Friday we had a great "telephone game" situation (I call the contractor, who calls the window supplier, who calls his installer on site, and this person tells me something totally different from what was asked).
Who has helpful information confirming that such a window is indeed possible WITHOUT a mullion?
We recently encountered this issue: https://www.hausbau-forum.de/threads/wie-gross-kann-eine-einteilige-fensterflaeche-sein.32418/ – it was about 2 x 2 meters (6.5 x 6.5 feet), and, in my opinion, while the concern may be somewhat overly cautious depending on taste, the critical point that cannot be entirely dismissed is the distance from the center of the glass pane to its corners. In this case, due to the smaller width, I see it as more favorable. However, I suspect the bottleneck lies elsewhere, namely in the profile length: machining equipment is often designed for profiles up to only 240 cm (94.5 inches) in length. Since it would indeed be unstable to fit a single-pane glass into a two-part frame profile, I understand the concerns—though they should be stated more transparently.
Mentioning the lofty word "concept" in relation to this façade, however, made me chuckle out loud.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
derChaos78 schrieb:
This division does not fit the façade concept at all!
Mentioning the lofty word "concept" in relation to this façade, however, made me chuckle out loud.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
H
hampshire1 Jun 2020 22:07These custom-sized panes always pose a risk for installers—mistakes can be very costly, as can warranty claims. It’s better not to offer them or to charge a high price, especially if the glass is exposed to long periods of sunlight and involves triple glazing. I would only accept a division if the muntin aligns with the entrance door or indicates the floor height.
We had a similar discussion, and the muntin solution turned out well. There is an opaque panel that covers the floor of the gallery, which would otherwise have been visible from the side—see the end face in the photo.

We had a similar discussion, and the muntin solution turned out well. There is an opaque panel that covers the floor of the gallery, which would otherwise have been visible from the side—see the end face in the photo.