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3D-printed house unveiled
This is the first house ever built by 3-D printers on-site for human habitation. French engineers unveiled green social housing. Two outside layers of a special polymer called polyurethane, and a concrete inner layer make for extremely effective insulation. Once you've printed the material you've used very little material, and produced zero waste. The other reason why we can say the material is good, is that this material once it's laid down allows us to achieve efficiency in the house which means that the wall is so insulating, you'll use very little energy to heat this house for 100 years." Professor Benoit Furet, University of Nantes Backers say it’s progress in green construction. The first tenants are expected to move into this five-room house in June 2018.