Unidome technology is being used on a large scale in the new building of the Lörrach Central Hospital with a gross floor area of over 80,000 square meters. By installing concrete shaper elements, around 1,620 cubic meters of concrete can be saved. This means a reduction in building load of more than 4,000 tons and a saving of around 340 tons of CO₂.

The Unidome void former modules used are based on proven void former technology, which enables significant load reduction while maintaining a high load capacity. The plastic concrete shapers act as lost formwork in the reinforced concrete flat slab and displace concrete in areas subject to less static stress. The result is a lightweight but robust voided slab that impresses with its material efficiency.

The Unidome void former elements are installed at the Central Hospital in different slab thicknesses of between 25 and 40 centimeters, in some cases in combination with concrete core activation. This combination of lightweight construction and building technology shows the versatility of the technology.

By combining concrete savings, cement savings, CO₂ reduction and efficient concrete displacement, this project makes an important contribution to sustainable construction. At the same time, builders and users benefit from economic benefits such as reduced foundation loads, less material transport and an optimized construction period. The Lörrach Central Hospital is therefore an impressive example of the possibilities of modern voided slabs in building construction.

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