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Could 3D-Printed Plastic Replace Metal Roofs in Vietnam?

A new project out of a Harvard spin-off, Resilient Modular Systems, has developed a system of modular roofing 3D printed from waste plastic.

Corrugated metal, iron to be specific, is the go-to for roofing not only in Vietnam but also in much of the developing world. The downside to this material is multifaceted - rust and degradation, lack of insulation, and the oven-like effect it has in warmer climates. This new product solves all three and then some. 

The modular roofing requires no nails or fasteners as they attach to themselves in Lego-like fashion. The materials can be made locally, so ease of production and transport is handled as well.

The transition to the new material is also easy as it doesn’t require a full retrofit. The plastic slabs can be used as patches on existing metal roofs.

Additionally, the roofs can be up to 12ft by 12ft (~4m x 4xm) without the need for any kind of beam support. This added feature makes it extremely beneficial for small spaces that would traditionally need added support to hold up a roof of this size. Moreover, the roof is designed to be airtight and to sit on top of cinder blocks.

The project is still in its early days, but looks promising in making affordable and sustainable roofing a viable option for countries like Vietnam. 

[HT/Fastcoexist]

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