Media library Bühl

About the object

When the media library in Bühl was built in 2003, libraries and bookshops were in a state of upheaval. Digital media increasingly complemented printed information and entertainment offerings.

Location-independent availability challenged library concepts that were geared towards archiving and storage.


Wurm + Wurm


Education & Daycare




Bühl, Baden


Bibliotheca Germany GmbH

Reader service 2.0 – electronic book return window ensures outside returns

With the media library, the architects Wurm + Wurm implemented a new concept structurally: Digital media supplement the information offered. User service has a high priority. This includes numerous reading and computer workstations – and also an outside return desk.
The differently designed reading and workstations are located where the building opens up to the inside and outside: around the interior atrium, in the large window niches and on the roof terrace.
But digitisation is also changing the way the library is used. Borrowing and returning items is increasingly done by the readers themselves – made possible by electronic chips in the media. This technology also allows media to be returned outside opening hours.

Task: Retrofitting windows for outside return in high-quality architecture

Borrowed media can be placed in a box around the clock via an electronically locked flap. For example, when the loan period expires or the diary is already full during opening hours.
In order to secure the sensitive technology of the return machine, those responsible were looking for a solution that was functionally perfect and at the same time fit into the extraordinary architectural concept of the building.

The solution: customised sliding window secures service and façade concept

In Baier, the clients found a partner who meets the highest demands in terms of both function and design. The expert for metal windows, doors and façade systems has already proven this many times.
For the media library in Bühl, Baier designed, manufactured and installed an electronically operated sliding window. It sits in front of the book return and protects it from vandalism.

Retrofitted sliding window fits in perfectly

In terms of format and layout, Baier has adapted the new sliding window exactly to the reverse vending machine. It is a vertical format with external dimensions of 830 x 1825 mm.

The basis is the sliding window model VSF 310 with sill, movable sash and fanlight, each of which was developed according to the functional requirements:

  • In the fanlight, insulating glazing made of laminated safety glass (6 mm) provides thermal insulation and protection against vandalism.
  • The sash, which can be slid upwards, is also filled with insulating glazing made of laminated safety glass. It is secured against unauthorised opening with an electric lock. The clear opening dimension is 636 x 728 mm. The connection to the fixed elements is made via a brush seal.
  • The 267 mm high parapet element consists of a PVC sandwich panel. The sensor for the electronic release is concealed here.

After successful triggering, the sliding window opens automatically – driven by a small electric motor. The electronics are controlled via a PC.
In terms of design, Baier has also tailored the customised sliding window perfectly to the object. Like the existing windows, the frame made of thermally insulated aluminium profiles is coated in RAL 7016 anthracite grey.
At the client’s request, Baier also undertook the professional installation of the sliding window. It was installed in the existing reveal and the electronics were set up accordingly.

Baier demonstrates architectural and service qualities

As part of the external effect, windows are an elementary design element in architecture. Especially in prestigious buildings such as the Mediathek in Bühl, the façade concept is often an expression of the design idea and serves to implement the desired values.
If windows have to be added or replaced – for example in the case of a window renovation or conversion – a lot is at stake. Even if all technical requirements are met, the effect of the object can suffer sensitively.
Baier always puts its expertise for functional elements such as sliding windows at the service of the entire object. This results in components that not only solve a problem, but also create added value. In this case, an increase in the service offered by the media library.
For Baier, this attitude is a central service promise for all planners. Try it out and contact us. We will be happy to advise you.

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