Fact sheet ceiling
Key facts hollow core slab - clay A1-3 installed in structure for 100 years
CO₂- Capturing
Specific weight
Fire protection class
Thermal conductivity
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In the Openly Valley project, innovative box girder ceilings with clay infill were used. This special ceiling construction combines cavities with solid structures, making it particularly light yet extremely stable.
A box girder ceiling also offers the possibility of storing energy efficiently: With Openly 1, around 70 % of the energy is stored in the ceilings.
The clay serves both to regulate moisture and as an additional energy store.
The entire house has a modular design and can be assembled using simple plug-in and screw connections.
The hollow box ceilings consist of prefabricated elements. Schöb AG, a leading Swiss family business in the field of timber system construction, developed an innovative press for this project. This can be used to efficiently produce ceiling elements in various sizes.
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