There aren’t a ton of ways to build a house other than the way houses have always been built, which is to say, by putting up four walls then adding a roof. This ages-old technique had to be modernized at some point, though, and as with everything else in our lives these days, technology’s delivering that modernization. In this case, instead of being built the old-fashioned way, houses can now be printed.
Last week at the South By Southwest festival in Austin, Texas, construction technologies startup ICON and housing nonprofit New Story unveiled their version of a 3D printed house. The model is 650 square feet and consists of a living room, kitchen, bedroom, bathroom, and shaded porch. It went from zero to finished in under 24 hours, and it cost less than $10,000. Equivalent homes built in developing countries will cost a mere $4,000 each.
This isn’t the first 3D printed house to spring up (or, rather, to be plopped down); there are similar structures created with similar technology in Russia, Dubai, Amsterdam, and elsewhere, but this is the first permitted 3D printed home to go up in the US.
ICON’s crane-like printer is called the Vulcan, and it pours a concrete mix into a software-dictated pattern; instead of one wall going up at a time, one layer is put down at a time, the whole structure “growing” from the ground up. The printer consists of an axis set on a track, giving it a flexible and theoretically unlimited print area.
“With 3D printing, you not only have a continuous thermal envelope, high thermal mass, and near zero-waste, but you also have speed, a much broader design palette, next-level resiliency, and the possibility of a quantum leap in affordability,” said Jason Ballard, ICON’s co-founder. “This isn’t 10 percent better, it’s 10 times better.”
The house has a greater purpose than just wowing techies, though. ICON and New Story’s vision is one of 3D printed houses acting as a safe, affordable housing alternative for people in need. New Story has already built over 800 homes in Haiti, El Salvador, Bolivia, and Mexico, partnering with the communities they serve to hire local labor and purchase local materials rather than shipping everything in from abroad.
New Story is in the process of raising $600,000 to fund a planned 100-home community in El Salvador. It will be the first-ever community of 3D printed homes. Printing will begin later this year, and the goal is for families to be moving in by Q3 of 2019. Donors can fund a full house with just $4,000.
Six hundred and fifty square feet may not sound like much space for more than one to two people, but it’s a huge step up from the lean-tos and shacks that make up the slums where millions of people live. ICON and New Story hope the Salvadorian community will serve as a scalable model that can be exported to developing countries around the world, providing a high-quality housing option for the millions who currently lack one.
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Article Credit: Signularity Hub