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CONCRETE TECHNOLOGYwww.cpi-worldwide.com CPI %u2013 Concrete Plant International %u2013 4 | 2025Manufacturing processPhysically foamed mineral foams are produced not with the help of blowing agents but by using additives that stabilize air pores (e.g., surfactants or proteins). Physical foaming generally allows for lower densities %u2013 and thus lower thermal conductivities %u2013 compared to chemical foaming of binder suspensions. The production of a highly insulating mineral foam with a thermal conductivity of %u03bb10%u00b0C,dry %u2264 35 mW/(m%u00b7K)is achieved by physically dispersing air into a liquid medium. The use of hydraulically hardening binders and an accelerator leads to early setting and ultimately to the solidification of the formed foam structure.n Klemens Laub received his Master of Science in environmental engineering from the Bauhaus-Universit%u00e4t Weimar in 2012, specializing in waste and recycling. Since then, he has been a research assistant in the Concrete and Mortar Department of IAB Weimar gGmbH. His work focuses on mineral foam development, particle technology and building materials rheology.k.laub@iab-weimar.den Attila H%u00f6chst completed his civil engineering studies in 1999 with a specialization in structural engineering and concrete technology at the Bauhaus University Weimar. Subsequently, he worked as a research associate at IAB Weimar gGmbH, focusing on the testing and monitoring of concrete products and their constituent materials, the development of mineral foam, and the optimization of concrete mix compositions.n Tobias Gerlicher studied civil engineering with a focus on building materials and rehabilitation at the Bauhaus University Weimar, graduating in 2005. He subsequently worked as a research associate at the Center for Building Materials and Material Testing at the Technical University of Munich in the cementitious binders and additives research group. Since 2015, he has been a research associate at IAB Weimar gGmbH, working in the field of concrete and recycling, with a focus on concrete and mortar.n Ren%u00e9 Tatarin received his degree in civil engineering in 2003, specializing in building materials and rehabilitation at the Bauhaus University Weimar. Subsequently, he worked as a research associate at the F. A. Finger Institute for Building Materials Science, where he was involved in several research topics including the non-destructive testing of building materials and structures. In 2021, he earned his Doctor of Engineering (Dr.-Ing.) from the Bauhaus University Weimar. Since 2013, he has been a research associate at IAB Weimar gGmbH and has been heading the Concrete and Mortar Department since 2024.n Mirko Landmann studied civil engineering at the Bauhaus University Weimar from 2004 to 2010, including a one-year stay abroad at the %u00c9cole des Mines d%u2019Al%u00e8s in France. Since 2024, he has been heading the Concrete and Recycling Research Department at IAB Weimar gGmbH. His professional focus is particularly on mixing technology for the production of concrete, as well as on innovative recycling techniques.n Robert Fetter completed a degree in mechanical engineering. After working as a research associate at TU Ilmenau, he moved to the Thuringian Ministry of Science. In both that role and in his work for the Carl Zeiss Foundation, he focused on research and technology funding. Since 2024, he has been the managing director of IAB Weimar gGmbH.YOUR WET CAST EXPERTSAUTOMACAD.COM 1 450.632.6323HIGH QUALITYSHORT CYCLE TIMEFULLY AUTOMATED SYSTEMSA PERFECT MATCH TO YOUR PRODUCTION