In Western Australia, the first multi-storey house with 3D printed concrete in Perth was recently completed. This construction company developed by Contec Australia, which specializes in advanced 3D concrete pressure technology, shows the use of the robot -3D printing technology in residential construction.
“The fulfillment of future demand for living needs will be more than traditional approaches. 3D concrete printing offers an innovative solution that supplements existing methods and provides projects with greater speed, cost efficiency, sustainability and draft flexibility,” said Contec founder Mark d'Alessandro.
The 3D concrete pressure process of Contec in Western Australia
Contec, the sole 3D concrete printing company of the state, used mobile robot devices to produce the structural walls of a two-story residence. The concrete mix of Contec is deposited layer by layer without relying on conventional formwork or scaffolding. The material sets up quickly – three minutes – and reaches a compressive strength of 50 MPa, whereby the typical 15 -MPA strength surpasses of standard stones. The resulting walls meet the criteria of cyclone resistance and provide thermal insulation, terminal protection as well as fire and water resistance that are suitable for the different western Australia climate.
The robot printer automates a large part of the build, reduces manual work and increases precision. The printer can operate compact and fork strand with minimal setup on site and offsite, including in limited rooms. Pressure speeds of up to 500 mm per second contribute to reduced construction life; For example, the knocking walls were printed within 18 hours and the complete construction was completed within five months.
This approach eliminates the need for formwork, supports and scaffolding, which can also lead to cost savings. In addition, architectural elements such as curves, columns and complicated patterns can be integrated during printing without additional costs. Openings and lines are embedded as part of the printing process, which minimizes the following modifications. The concrete -compatibility reduces CO₂ emissions compared to conventional concrete by approx. 30% and generate less waste – via a wheelbarrow per project.
In addition to the environmental profits, the method can improve the security of the location by limiting the handling and transport requirements. Since the walls are printed directly on site and not on site, as in a modular design, the process fits more easily into traditional construction finance models, which corresponds to the logistical and regulatory complications that often occur with modular builds.
3D printing in construction: Advancing of speed, affordability and sustainability
This month, in cooperation with CES_INNOVFAB-EIM on large-scale 3D printed Baubau, specialized developer Park + Associates in cooperation with CES_INNOVFAB-DAS QR3D, the first multi-storey 3D residential building in the country. The project, which designs and serves as a personal residence of the founder of Park + Associates, Lim Koon Park, and serves as a prototype to assess the potential of additive manufacturing (AM) in the residential architecture.
In 2024, sustainable concrete (SCI), a construction company based in Ohio, implemented 3D concrete printing technology for construction projects for residential buildings. The use of advanced machines supplied by the Dutch company Cybe Construction was presented by SCI to create houses that are faster, more cost -effective and more environmentally friendly.
By integrating 3D -printed convertible elements into conventional construction work processes, the SCI has significantly reduced both working and material costs. This method not only shortens the project schedule, but also minimizes the waste of materials drastically and is voting with wider sustainability goals by reducing the environmental impact of construction activities.
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The picture presented shows a 3D printing process that uses a special concrete mix that is created by layer. Photo via Contec Australia.