With its purpose-made mix for a self-leveling and easy-to-use concrete, Holcim has made a significant contribution to a Block Research Group project. The newly developed and resource-efficient cement, Susteno 3R was used for a prototype of a slender concrete element, created under the leadership of Professor Philippe Block Philippe Block, Professor at ETH Zurich and member of the Academic Committee of the LafargeHolcim Foundation, at ETH Zurich’s Institute of Technology in Architecture.
The thermally active floor and ceiling system with a lightweight concrete skeleton enables substantial savings in building materials and significantly reduces a building’s energy requirements thanks to an integrated heating and cooling system. A prototype of this lightweight floor element is being exhibited in the ETH pavilion at the World Economic Forum in Davos.
Susteno 3R, which is unique in Switzerland, is an integral component of the concrete used in this project. With it, our teams are introducing another innovation for sustainable building materials. Susteno 3R is made of high-quality processed mixed granulate from demolition projects, resulting in a cement that fulfills all aspects required for a closed material cycle for the first time.