The dimensions of basement windows

Especially in cellar windows real estate owners are always surprised how varied the offer is. Often one thinks that basement windows would somehow look similar, but far from it. With no other type of window, there are as many variations as with basement windows. Below you will find an overview of the dimensions, characteristics and preferred materials of cellar windows.

Designs and dimensions of basement windows

In particular, those who wanted to replace the basement windows in an old building, have often experienced nasty surprises. Although basement windows always look very similar in appearance, there are a variety of dimensions - you could almost say, the most impossible dimensions even. But it is not only the dimensions of the basement windows that can lead to annoyance. There are also the most diverse designs.

Fabrics of the window frames

In principle, basement windows can be distinguished according to plastic and metal windows. Basement windows with a wooden frame construction are rarely used, as basements are often damp, which is why wood is not really the right material. In old and old existing buildings usually metal frame windows can be found. By the 1980s at the latest, the trend towards the plastic window began.

The dimensions of basement windows: dimensions

While the metal cellar window can be opened in one or two wings inwards and often has a perforated zinc sheet panel, the opening options for plastic windows are more comprehensive. They are available for tilting, turning as well as tilting and turning at the same time. In addition, of course, there are basement windows that can not be opened at all. But they can have a partial area to open, for example, in flood-resistant windows when ventilation is necessary.

Opening, tilting, turning basement windows

Even with the latches there are big differences. Inexpensive basement windows have a plastic rail where they snap into place when you open them. The cellar windows with a handle lock opposite, as you know from conventional windows. You can distinguish the plastic itself from conventional PVC plastics and glass fiber reinforced plastic frames (GRP). The latter are often found as waterproof or flood-resistant basement windows.

Assembly techniques of basement windows

In the fixing techniques of basement windows, three techniques have become established. For one, the basement windows are walled in. Then there are systems in which the basement windows are hung in the soffit. A very common assembly technique is the gluing and screwing, especially in metal frame cellar windows. Of course, they can only be screwed or glued exclusively.

The basement window glazing

Of course, there are also far-reaching differences in glazing. On the one hand, there are glass and acrylic, ie plastic window glazing. In addition, as already mentioned, under certain circumstances, a separate ventilation. There are insulating, thermal insulation, thick glass and single-pane safety glazing.

U-thermal insulation values ​​of windows

In the insulating and thermal insulation glazing is also distinguished by the Isolierattributen. Such heat protection glazings are available in different classifications. However, they are subdivided into the total windows (Uw value), the glazing value (Ug value) and the Uf value for the window frame. In addition, there are the less common values ​​for thermal bridges between glass panes and thermal bridges between window frames and masonry. A coefficient of co-efficiency is stated. Basically, the lower this coefficient, the higher the heat protection or insulation effect.

The dimensions of basement windows

Finally, there are the Kellerfenstermaße. There is really a colorful variety here like hardly any other window. Especially in old buildings are often cellar windows with very exotic dimensions. But even today there are no fixed values. Almost every manufacturer of cellar windows defines his standard dimensions according to his own ideas. Roughly outlined, it can be noted that the dimensions are those between 50 times 40 and 125 times 100 are the most common. However, there are in the dimensions of standing and lying rectangular basement windows as well as square windows.

Tips & Tricks

There are window manufacturers who specialize in custom-made products. Thus, these providers can even offer relatively attractive prices, considering the effort.

In basement windows, which are used in basements, which actually serve only as a cellar, you need to pay no attention. However, if you want to design cellar rooms as continuously inhabited rooms, you also have to consider the light values, ie how much light falls through the cellar windows into the rooms.

In addition to the conventional basement windows, there are also waterproof and flood-resistant basement windows, which are also classified in their protection performance.

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