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3D printed concrete house in the Netherlands ready for first tenants


Written by Lianne Kolirin, CNN

A Dutch couple have become the proud new tenant of the country’s very first 3D printed house.

Elize Lutz and Harrie Dekkers received the digital key to the gray rock-shaped building in the Bosrijk district of Eindhoven, in the south of the Netherlands.

The bungalow is over 1,000 square feet in size, with a spacious living room and two bedrooms.

Lutz, 71, and Dekkers, 67, responded to an ad seeking tenants for the groundbreaking project.

The house has been designed to blend in with the landscape. Credit: Bart van Overbeeke / Project milestone

Now retired, the former Amsterdam traders will move into their new home on August 1 – although their tenancy will only last six months.

“We’re always looking for special places to live,” Dekkers told CNN. “It’s so unusual.”

The house is the first in a series of five from Project Milestone, a joint construction and innovation project of Eindhoven University of Technology, the local municipality, real estate investor Vesteda and three specialists in sector: construction company Van Wijnen, construction material manufacturer Saint-Gobain Weber Beamix and engineer Witteveen + Bos.
According to the project’s website, it is “the world’s first commercial housing project based on 3D-concrete printing.”
3D printed concrete house in the Netherlands ready for first tenants

The couple visited the house, which they will move into in August. Credit: Bart van Overbeeke / Project milestone

More than just an experiment, the house was built to be fully habitable for several decades and designed to resemble a rock to blend in with its natural surroundings.

It consists of 24 concrete elements, which were printed layer by layer in a factory in Eindhoven. The elements were then transported by truck to the site and placed on a foundation.

3D printed concrete house in the Netherlands ready for first tenants

The house has two bedrooms and a spacious living room. Credit: Bart van Overbeeke / Project milestone

The printer consists of a robot with a mechanical arm that can move along a track in seven different directions to lay mortar in a pattern on a print bed – as designed on a computer.

The dry mortar in a silo is mixed with water in a mixer and pumped through a hose to a nozzle mounted on the end of the robot arm.

The whole project took about a year, although the physical printing only took 120 hours. The rest, say the backers, was due to “trial and error” and perfecting the construction process.

3D printed concrete house in the Netherlands ready for first tenants

The house is the first of five planned for the project. Credit: Bart van Overbeeke / Project milestone

The sloped walls were a particular challenge, but it’s now been perfected, a spokesperson for the collaboration told CNN.

Vesteda, owner of the house, will rent it out to private tenants.

In principle, houses “printed” in this way can be built much faster and with more flexibility than traditional models. Less concrete is needed which also makes them more durable.

Lutz said she liked the idea of ​​the project as soon as she heard about it. She said an image she saw of the shots reminded her of childhood walks with her grandfather, who illustrated children’s books.

“It reminded me of a special way of living,” she said. “It sounded very safe.”

When they learned of the opportunity to move in, the couple applied immediately – and were delighted to have been chosen. They are now looking forward to moving from their current apartment in Amsterdam, at one and a half hour away, to their new temporary home.

“It’s completely different,” Lutz said. “In Amsterdam, we look at the water and we find ourselves between many beautiful trees.”

In recent years, a number of 3D printed homes and communities have been conceptualized, promising quick construction times and low construction costs, of a 400 square foot house printed in 24 hours in Russia in 2017 to an entire printed quarter. in Mexico two years later.

In the United States, the first print house to hit the market – a 1,400-square-foot one-story space in Riverhead, New York – was listed for $ 299,000 in February,

Meanwhile, in Austin, Texas, a series of two- to four-bedroom residences will be ready later this year.

And in the small Italian town of Massa Lombarda, Mario Cucinella Architects made a prototype for a 3D printed clay house.

Now that the first house in the Dutch project is complete, work will begin on the other four, which will have more than one storey.

Yasin Torunoglu, City Councilor for Housing and Spatial Development in the Municipality of Eindhoven, said in a statement: “Innovation is an important pillar in construction. ‘Now set the tone for the future: the rapid realization of affordable homes with control over the shape of your own home. ”

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