Researchers at the Fraunhofer-Gesellschaft have developed innovative processes in the field of building refurbishment. The aim is to increase the renovation rate in order to significantly reduce CO2 emissions in the construction sector. Currently, the renovation rate is around one percent per year. According to the Fraunhofer-Gesellschaft, "it would take around a hundred years to refurbish the entire building stock" if things were to continue at the same pace.
The "BAU-DNS" project aims to accelerate renovation processes by 10 to 15 percent. The researchers are focusing on modular and circular approaches in order to halve the grey energy required to extract materials, manufacture components and dispose of them using bio-based materials and other approaches and to achieve CO2 neutrality.
One focus is on the serial production of façade elements, which are pre-produced and then simply assembled. This should not only save time, but also counteract the shortage of skilled workers. Materials are selected sustainably and processes are geared towards recycling and dismantling.source and further information: idw-online.de/fraunhofer.de
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