


The Cradle to Cradle design concept combines these principles in one system. A core idea in this regard is the closed-loop circulation of construction products. In this way, we have been focusing on the responsible treatment of resources from an early stage. We have been working actively and formatively with the product advisory board ever since it was founded. In 2008, the DGNB (German Sustainable Building Council) developed its certification standard, and with it the most comprehensive system yet for sustainable building in the context of ecological and socio-cultural aspects. Our considerations have since stretched far beyond the original core issue of energy efficiency: the increasing scarcity of resources requires a holistic consideration of buildings in their lifecycle. “Since the beginning of the century, we have been concentrating on the issue of what architectural solutions for sustainable buildings might look like.
