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Sign upJanuary 1, 2020
14Trees
Lilongwe
The project – 3D printed house in Lilongwe, Malawi – was built in November 2020 to demonstrate the technical feasibility of 3D printing technology for residential houses. This Solution could tackle the lack of low-cost houses and schools constructions in the country. The 3D printed house had 36 m2 of floor area and consisted of 3D printed, double layer walls and a roof relying on steel trusses.
The cost of construction is reduced by 20%, while CO₂ emissions are cut by up to 70% compared to traditional kiln-fired bricks. This significant reduction in both cost and environmental impact promotes sustainability.
This solution aims to accelerate the provision of schools in one of the poorest countries in the world, Malawi. More than 36,000 classrooms are needed and thanks to 3D printing, all those buildings could be completed within 10 years. Through 14Trees, Holcim and CDC provide a solution to NGOs and international organizations which are currently delivering schools in that country. The solution is a printing service sold to organizations. Building design and construction execution is handled by the solution provider. This includes the manufacturing of Holcim 3D ink, and the operation of the printer, using only local staff. Pioneering in introducing 3D printing in Africa for the construction of schools and houses, 14Trees is now working on rolling out the solution in Kenya and Zimbabwe.
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