It is durable as concrete, can maintain constant temperatures at any time of the year and costs about a thousand dollars. The Italian company WASP (World’s Advanced Saving Project), specializing in the production of 3D printers and three-dimensional printing, presented a project of a compact residential building called Gaia. Due to the use of a new composite material, it has mechanical strength comparable to modern concrete blocks, and at the same time, it is relatively cheap in production. The total cost is about $1,000, which is even less than that of Apple’s new iPhones.
The construction of Gaia takes 20 square meters, and it took just 10 days to build the house from the builders of WASP. The foundation of the building is made of concrete, the roof is completely made of wood. As for the composite material for the construction of walls, we are talking about clayey soil, rice straw, and rice husk. By wet processing, the raw material mixture achieves uniform plasticity and, when cured, becomes strong like multi-layer construction panels.
According to WASP, the house designed does not require heating or air conditioning and can maintain constant indoor temperatures no matter what time of year it is outside. Currently, the company evaluates every opportunity to enter the construction market and hopes that the Gaia project will help it to successfully launch this business.
WASP is not the only company working in the field of home construction using 3D printing technology. Scientists from the University of Tartu in Estonia and the Estonian University of Life Sciences have developed a concrete-like printed building material from milled peat, slate halls, and silica nanoparticles. Similar to Gaia, this material also promises to significantly reduce the commercial cost of building such houses.
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