The Bauhaus Atelier at Bauhaus University in Weimar, Germany

Bauhaus University Weimar

The Bauhaus University in Weimar, Germany holds a key place in European art history, as well as the history of architecture. For the University’s 150th anniversary in 2010, two of their best-loved buildings, the Van-de-Velde Building and Bauhaus.Atelier underwent extensive renovation, with help from SCHOTT.

Background

Originally established in 1860 as The Great Ducal Saxon Art School, the Bauhaus University Weimar is not only a distinguished historic center of learning, but also home to two important historic buildings. One of these is the Van-de-Velde Building, which is now a UNESCO World Cultural Heritage site. However, like the Bauhaus.Atelier, it was altered and reconstructed at various points during the 20th century. In preparation for the University’s 150th anniversary in 2010, a restoration project was launched to return these two buildings to their original historical layout and appearance.

Glass roof of the Bauhaus.Atelier at Bauhaus University in Germany

Task

The two buildings are over a century old, but are examples of two different architectural styles, which resulted in two different sets of demands for the glass required for their restoration. As well as remaining faithful to their historic styles, the glazing had to meet modern-day construction standards. For the Van-de-Velde Building, a UNESCO World Cultural Heritage site dating back to 1906, the insulated glass panels needed to be much thinner than usual to fit into the historic frames. The Atelier, meanwhile, had to emulate the original ornate patchwork of panes with irregular angles and surfaces.

Solution

SCHOTT’s specialist restoration glass TIKANA® was chosen for the Van-de-Velde Building, as its irregular surface structure closely resembled the style of early 20th-century glass. Sun-protection coating was then added, along with an interior float glass panel that featured a thermal insulation coating. A different glass laminate was developed for the Bauhaus.Atelier, which combined SCHOTT RESTOVER® restoration glass on the exterior – featuring a distinctive wavy surface in keeping with 19th-century glazing – and extra-clear float glass on the interior to prevent unwanted tints.
Front view of the Van-de-Velde Building at Bauhaus University
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Van-de-Velde Building

The Van-de-Velde Building is a UNESCO World Cultural Heritage site

Close up of the glass roof of the Bauhaus.Atelier at Bauhaus University in Germany
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Bauhaus.Atelier

The Bauhaus.Atelier was restored using SCHOTT RESTOVER® glass for a clear view

The Van-de-Velde Building at Bauhaus University
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Van-de-Velde Building

SCHOTT TIKANA® glass provided an authentic irregular surface for the Van-de-Velde Building

Close up of a window in the Van-de-Velde Building at Bauhaus University
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Van-de-Velde Building

The windows of the Van-de-Velde Building offer high light transmission and heat insulation

A highly customized solution

For the glazing solution for the Van-de-Velde Building, the space between the TIKANA® panels and secondary insulating float glass panels was reduced from 16 mm to 4 mm, before being filled with the noble gas krypton to increase the level of insulation further. For the Bauhaus.Atelier, the panels of RESTOVER® glass and extra-clear, low-iron float glass were joined by overlapping PVB foils to enhance mechanical security and significantly reduce levels of UV transmission to offer protection from harmful solar radiation and make the glazing more durable.

Enhancing the flow of natural light

The SCHOTT TIKANA® glass used for the Van-de-Velde building enhances the natural light flow into the entrance area – something that was traditionally a defining feature of the building. Working alongside architects Junk & Reich, who arranged to remove partitions and false ceilings in order to restore the building’s original layout, more light was allowed into the building. In the Bauhaus.Atelier, light was again harnessed more effectively, with the relative lack of harsh reflections achieved by RESTOVER® glass resulting in a clearer view through the building’s windows and a cleaner look for this historic structure.

Used materials & similar products

SCHOTT RESTOVER® and TIKANA® provide a number of key advantages for restoration projects, as they offer highly authentic historic glazing characteristics while also meeting modern quality standards for insulation and security. SCHOTT manufactures its restoration glass using the traditional Fourcault process for historical accuracy.

Expert collaboration for historical excellence

SCHOTT’s renowned expertise in developing glass for restoration projects made us the ideal partner for the Bauhaus University project. The project involved close collaboration with architects Junk & Reich and Pitz & Hoh throughout the restoration, ensuring that the glazing achieved the best possible combination of authenticity and practicality.

Glass made by
SCHOTT

Architects
Junk & Reich, Pitz & Hoh

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