Balkone Lochblech

French balconies – perforated sheet metal, designer sheet metal

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Französischer Balkon Modell Sevilla aus Edelstahl, geschliffen, mit modernem Lochmuster an Fassade Französischer Balkon aus Aluminium, pulverbeschichtet, mit modernem Lochmuster vor Fenster
French balcony laser-cut perforated sheet metal design sheet metal - Sevilla model
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Französischer Balkon Modell Malaga aus Edelstahl mit modernem Lochmuster vor Fenster montiert Französischer Balkon aus Aluminium mit modernen Lochmuster, pulverbeschichtet, an Außenwand
French balcony laser-cut perforated sheet metal design sheet - Malaga model
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Französischer Balkon aus Edelstahl, Modell Madrid, mit modernem geometrischem Muster an Fassade Französischer Balkon aus Aluminium mit modernem, geometrischem Muster vor Fenster
French balcony laser-cut perforated sheet metal design sheet - Model Madrid
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Französischer Balkon aus Edelstahl mit modernem, quadratischem Lochmuster an grauer Fassade Französischer Balkon Modell Bilbao aus Aluminium, pulverbeschichtet mit modernem Lochmuster
French balcony laser-cut perforated sheet metal design sheet - Bilbao model
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Französischer Balkon Modell Barcelona aus gebürstetem Edelstahl mit Lochmuster am Fenster Französischer Balkon aus pulverbeschichtetem Aluminium mit Lochmuster vor Fenster
French balcony laser-cut perforated sheet metal design sheet - Barcelona model
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French Balconies with Perforated Sheet Metal: Privacy and Modern Facade Design

French balconies with perforated sheet metal infill represent a contemporary alternative to classic bar railings. They combine the necessary fall protection for floor-to-ceiling windows with an increased demand for privacy and architectural individuality. Due to their planar design, these fall protection systems act as modern design elements on the facade, not only providing safety but also significantly shaping the building's appearance.

Privacy and Light Transmission in Perfect Balance

The greatest functional advantage of perforated sheet metal designs lies in their controlled transparency. Depending on the chosen perforation, the railing offers effective privacy from the outside, while residents inside still benefit from natural light incidence and pleasant air circulation:

  • Privacy:The surface shields direct views into the living space, which is particularly advantageous in densely built urban areas or for street-facing windows.
  • Light Diffusion:The perforated pattern gently refracts direct sunlight, creating a pleasant, glare-free atmosphere indoors.
  • Ventilation:Unlike solid glass or sheet metal infills, the perforation allows for continuous air exchange when the window is open.

Safety for Children and Pets

In addition to structural strength, the planar infill of perforated sheet metal offers additional safety aspects that go beyond building code requirements. Since there are no gaps as in classic railing bars, passing objects through is virtually impossible. Furthermore, the smooth surface offers no climbing possibilities for children ("ladder effect"), which significantly increases safety in households with small children or pets.

Material Quality and Surface Finishing

To ensure lasting corrosion resistance, Kirchberger Metall's perforated sheet metal elements are manufactured from high-quality materials. Optionally,
powder-coated steelor stainless steel is used. Powder coating in RAL colors allows the perforated sheet metal to be precisely matched to the color of the facade or window frames, while galvanization in the core provides lifelong rust protection.

Installation and Custom Manufacturing

Each French balcony with a perforated sheet metal design is custom-made. The sturdy solid steel frame constructions allow for secure anchoring directly to the masonry (pre-mounted) or within the window reveal. The precise craftsmanship ensures quiet acoustics, as the sheets are rigidly fixed in the frame and do not generate vibrations even in strong winds.

Questions and Answers

Dirt in the small cutouts is difficult to remove by hand. The easiest way is to spray the sheet over its entire surface with a gentle water jet or a light pressure washer.

The possibilities offered by modern laser-cutting processes are almost endless. Options range from strictly geometric square or round perforations to floral vine patterns or even completely individual ornaments based on the customer's drawing.

Design sheets combine safety with a high degree of aesthetic individuality. They look very modern, offer made-to-measure privacy, and give the facade a light, translucent look through the play of light and shadow.

With poorly manufactured sheets, wind can catch in the holes and create resonances. High-quality perforated sheets, however, are precisely framed and have folded edges that prevent vibrations and whistling.

Yes, it is one of the safest options for small children. The flat surface and the usually small cutouts offer children's feet absolutely no foothold for climbing.

Compared to an all-glass railing, perforated sheet casts a more noticeable shadow. However, if the pattern is chosen to be large and translucent, enough daylight still enters for a bright room atmosphere.

Yes, aluminum and steel sheets can be powder-coated excellently. The color selection covers the entire RAL spectrum, so the balcony can be painted tone-on-tone with the window frames or as a color accent.

That depends entirely on the sheet's perforation ratio. Patterns with small, closely spaced cutouts provide up to 80% opacity and offer excellent protection from prying eyes.

To keep the railing from becoming unnecessarily heavy, extremely weather-resistant aluminum is the most common choice. It is lightweight, rust-free, and can be processed perfectly and burr-free by laser or punching machines.