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84 CPI %u2013 Concrete Plant International %u2013 1 | 2026 www.cpi-worldwide.comThe CO2 reduction achieved with evoZero is made possible by the use of innovative carbon capture technology at Heidelberg Materials%u2019 Brevik plant in Norway, where the captured CO2 is permanently stored beneath the seabed. Strict control mechanisms ensure that every tonne of captured CO2 is recorded accurately and counted only once toward the CO2footprint of evoZero.Scalable building concept in three sizesWhat makes the Dreihaus unique is its fully designed, 3D-printing-optimised, scalable building concept for a three-storey multi-family residence - available in three sizes: S, M, and L. The residential buildings include between six and twelve apartments, each ranging from 46 to 89 square meters. %u201cAt Korte-Hoffmann Geb%u00e4udedruck, we are proud to have developed a concept together with our partners that enables affordable, sustainable, and architecturally high-quality housing to be realized in the shortest possible time,%u201d emphasize Waldemar Korte and Alexander Hoffmann of Korte-Hoffmann Geb%u00e4udedruck.Complete system: 3D building printing enters serial productionThe 3D-printing work on the three multi-family houses is being carried out by Peri 3D Construction using their all-in-one system and a team of two or three persons. For the provider of 3D-printing solutions, the significance of the Dreihaus project lies not only in the technology being used, but even more in the element that is to be printed: %u201cDreihaus brings together everything we have learned from the 17 3D-printing projects we have completed so far. This includes well-designed floor plans optimized for 3D printing as well as the efficient integration of 3D printing into the entire construction process. Each Dreihaus is divided into two segments. While one of the segments is being printed, the suspended floor slab in the other segment is already being cast. As a result, the buildings rise at an impressive pace,%u201d explains Dr. Fabian Meyer-Br%u00f6tz, Managing Director of Peri 3D Construction GmbH.%u201cCompared to conventional construction methods, Dreihaus can be completed 30 % faster and at 10 % lower cost. Our aim is to validate these figures in practice with this project and to publish the corresponding data once construction is completed.%u201d nFURTHER INFORMATIONwww.heidelbergmaterials.comThe 3D printing work on the three apartment buildings is being carried out by Peri 3D Construction.%u00a9 Heidelberg Materials AG I Philipp Reimer