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Maximum transparency and, if needed, peace and quiet – with glass sliding doors

Berlin architects Partner und Partner designed a building with an active climate in a cube shape. The five-story solid wood new building of the Kostner company group, with its planted façade and ecologically sustainable design, has also been well thought-out in the interior.

Sustainable building with an open room structure

The property developer and the architect explain the ideas behind the concept of the new office building in the video. You can also discover how glass sliding doors deal with the challenge of open room structures and the need for disturbance-free working.


Inviting reception

When you enter the building, you are taken into a two-story open foyer with a central atrium as a meeting area with intersecting staircases. There is a considerable amount of public traffic here, and the employees need to be able to communicate with each other across the floors.


As much transparency as possible, and as much seclusion as necessary

The open design gives the employees in the offices behind reception visual contact with the entrance and the stairs so that they can communicate with visitors and co-workers. The atmosphere is changing all the time – all accompanied by an appropriate amount of background noise. However, the employees must be able to block themselves off from the noise in the atrium if required so that they can work in a concentrated and quiet way.


Solution to the requirement

By request of the property developers and in accordance with the architect’s specifications, transparent and quiet office rooms with large areas of glass were created. The offices can be flexibly separated off from the foyer with glass sliding doors with sound attenuation. The tightly closing sliding door elements fulfil the sound attenuation requirements without getting in the way in the confined spaces or taking up additional room.

Aesthetics and functionality

The timber frame construction with its soundproof glass paneling blends into the design of the glass partition wall system and transfers the black façade design into the interior. It achieves room-to-room sound attenuation of approximately Rw 39 dB. The technology remains hidden. 

To the detailed project report

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