Chris Hill

Innovative residential construction practices such as off-site factory building and on-site 3D printing are making inroads in Canada’s massive home-building sector. While they represent a small percentage of overall builds, which are still dominated by traditional stick-framework, these sustainability-focused techniques can add speed and labour-force efficiencies. Vancouver-based off-site construction management firm B Collective specializes in wood-frame panelization, a process that uses factory-built flat panels, which are assembled into houses on location, says company president Chris Hill. Panelization allows the use of a variety of materials, including dense-pack cellulose, a recycled paper fibre that is naturally carbon-storing, Mr. Hill says. Building walls off-site also improves quality control to ensure greater airtightness and waste reduction, he adds… Speedy construction pairs with structural longevity in 3D-printing construction, another innovation that is relatively new to Canadian residential job sites. Nidus 3D, based in the Kingston area, has been using 3D printing to construct residential buildings for three-and-a-half years.