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How Bundled Innovative Strength Creates a House – Fresh from the 3D Printer!
A construction project in Remmeltshofen, Germany, marks a milestone: here stands a building whose walls were printed using the mobile 3D printer KARLOS. This innovative joint project by the companies Putzmeister, SCHWENK, and Rupp is a significant step forward for the construction industry and a powerful signal toward digitalization and sustainability. In just 29 printing hours, a building with a floor area of 95 m2 was precisely printed. With this, the cooperation partners Putzmeister, SCHWENK and the Rupp Group have not only demonstrated the potential of 3D printing but also elevated the construction process to a new level. No lengthy setup or formwork was needed – the mobile 3D printer KARLOS from Putzmeister was ready to go in less than an hour and began, layer by layer, to build the structure, which serves as a local community center. The company developed the fully electric construction machine specifically for such projects. The building marks a milestone in the future of construction: faster, more efficient, and more sustainable. SCHWENK’s concrete mix, with minimal CO2 emissions during production and optimal resource utilization, makes a significant contribution. This saves not only time but also protects the environment – a win-win-win situation for project leaders, builders, and our planet. “This project is a crucial step towards further industrializing construction with additive manufacturing,” said a spokesperson from Rupp. “Here, digital planning and calculations merge with the use of advanced materials and innovative printing technology to create a completely new approach to building.” The next step? A multi-family home, printed using the same technology – proof that 3D printing is scalable for larger projects as well. This collaboration between Putzmeister, SCHWENK, and Rupp is a prime example of transformation: combining efforts to achieve a high level of automation – this will fundamentally change the construction industry. The companies are confident of this and are providing projects like this as living proof: The future of construction has arrived. With the 3D printer KARLOS, a house is almost created by itself! The machine prints solid concrete walls directly on-site, without the need for formwork. Thanks to a smart combination of a mobile concrete pump and robotic technology, the walls are built quickly and precisely. But KARLOS not only scores points for speed and cost-effectiveness: It operates fully electrically and with low emissions, using standard concrete with an 8 mm aggregate size. The entire construction process is based on digital models. The building plans are translated into printing layers and converted into machine code. Then, KARLOS prints the building layer by layer.
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