Two Canadian brothers have turned an astonishing 612,000 discarded plastic bottles into a concept home in Meteghan, Nova Scotia. Their company, JD Composites, uses recycled PET foam panels to build homes, with ambitions to take the technology beyond Canada. The brothers hope their innovative approach can eventually be used for tiny homes, emergency shelters, disaster-relief housing, sheds and other structures while giving millions of plastic bottles a second life.

What if hundreds of thousands of plastic bottles destined for a landfill could instead become the walls of a home? In a small community in Nova Scotia, two Canadian builders…

Canadian builders transformed more than 600,000 plastic bottles into a house. The recycled PET was processed into foam and used to make structural composite panels. These panels…