Ludwig Erhard Haus

Various facades


West facade, louver
Photo by Aoki Tsukasa

South facade inside
Photo by Aoki Tsukasa
Western Facade brings the light in
There are various devices installed on the vertically constructed western facade to introduce light into even the deepest part of the office. The western facade faces the street. The outer facade has laminated glass with a green middle-layer of PARSOL skin and moves by a motor-operated mechanism. It acts as a louver to shut off beams of light (with a g-factor of 53“.)
This louver-like mechanism also allows light to be reflected by the ceiling and reach a distance of 6 meters from the window. The louver changes directions automatically using information about the ambient temperature and the like detected by a sensor. The inside of the facade is provided with double-glazed windows (u-value1.3W/m2kAτ-value 61%A37dB for sound insulation), which can be manually opened and closed (DrehkippflŸgeln) to enhance natural ventilating as needed.

Mini double skin of the southern facade
Like the western facade, the southern facade also has double-glazed side-bottom hung windows, which are fitted with tempered laminated glass by means of the DPG technique. The outer glasses are normally suspended at four points. Two of the fixtures are composed of pivot hinges and the others are removable. So the windows can be revolved, a helpful consideration for ventilating and cleaning.

A half-open-air Atrium
The opening of the Atrium is made of tempered laminated glass. The windows of the offices found in the opening area are fitted with double-glazed side-bottom hung windows which can be opened or closed manually, thus allowing natural ventilation. Owing to rigid fire regulations, the inner Atrium was made to be incombustible, and was classified to be an "open-air" space. So the windows of the offices in this area are not required to have fire-prevention features such as shutters.



Data of this building

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