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Helima, Viennese and glazing bars for plastic windows

Window glazing bars

We offer our customers the following three types of bars:

Glazing bars

Glazing bars -are also called a 'real' bars because they bear the load of the glass and each area separated by the bar is individually equipped with an insulating glass pane. This allows flexible positioning as well as creativity in terms of colour and structure. The continuous glazing bar is more expensive than the other types of glazing bars, but it is also provides greater break-in protection. Although it is a traditional bar, it is still state-of-the-art in terms of its tightness.

Glazing bar — Plastic window

Viennese glazing bar

The Viennese glazing bar, the so-called "fake" glazing bar, is used for aesthetic and visual purposes, as it only rests on the pane and has no effect on the window's insulating characteristics. This type of bar can be attached on one or both sides, giving the impression of real glazing bar insulating glass. In the event of damage, the Viennese bar can be easily replaced and, in contrast to a glass-dividing bar, can also be made thin, if you so desire.

Wiener glazing bar - uPVC window

Helima glazing bar

The Helima glazing bar is also considered a "fake" glazing bar because it is only used in the space between the panes. The powder-coated aluminium glazing bar is installed in double or triple-glazed windows and eliminates the need for time-consuming maintenance or even replacement. It can be painted in different colours or covered with decorative film. Helima glazing bars are easy to manufacture and, because they are on the inside, they allow you to easily clean the window.

Helima glazing bar - uPVC window

Material Advantages Disadvantages
Wood glazing bars Natural, warm look, good insulating characteristics Need maintenance, slightly more expensive
UPVC glazing bars Inexpensive, available in all RAL colours, very easy to care for Don't go so well visually with wood windows; not so good insulating characteristics
Alu glazing bars Very weather-resistant, very easy to care for More expensive, not so good insulating characteristics

The choice of material also depends on the nature of the existing windows. A wooden bar, for example, looks less attractive on a plastic window than on a wooden window.


The material properties of the glazing bars result in significant differences in price. Wooden lattice windows are usually a bit more expensive, because the material and processing also cost more. But they score points with their natural, warm look and appear traditional. However, glazes must be applied or they have to be repainted after some time so that the wood remains weatherproof.

Plastic mullioned windows are available at lower prices and can be ordered in almost any RAL colour. They require little care or maintenance.

This is also the case with aluminium; it is very easy to care for, but much more weather-resistant than uPVC and therefore more expensive to buy. A disadvantage would be its relatively poor thermal insulation. As a result, aluminium glazing bars are less suitable for windows with continuous glazing bars or glass-dividing glazing bars.

With the Vienna model, the material has no effect on the insulating characteristics, and the choice of material depends on the condition of the window.

You have to pay higher prices for the many heat-insulating panes of a real mullion window than for one pane that is covered with Viennese decorative strips, for example.

If, instead of the thermal insulation glazing , window glass with additional properties (ornamental glass, glass with UV protection or shatter-proof safety glass with break-in protection) is used, this also increases the price of the mullion windows.

Typical glazing bar shapes are ornamental or trapezoidal glazing bars; the former are more classic, the latter more modern in appearance.

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(24 ratings , Ø 4.5)

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