Lightweight insulating building elements from a 3D printer

November 30 2023 – A doctoral researcher studying architecture at ETH Zurich is using 3D printing to produce lightweight insulation building components from cement-​free mineral foams derived from recycled industrial waste. These could cut heating and cooling costs for buildings, and encourage more efficient use of construction materials. This high-​precision printing process generates less waste and removes the need for expensive and time-​consuming formwork. The mineral foam used is based on industrial waste and is fully recyclable.

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