Is Owens Corning made in Canada?

Yes, Owens Corning insulation and roofing products are made in Canada at its Canadian plants, though Owens Corning is American company headquartered in Toledo, Ohio, USA. Owens Corning, founded in 1938 as glass fiber manufacturer, has manufacturing facilities worldwide including Canada, with Canadian plants producing fiberglass insulation and roofing shingles for Canadian market. Owens Corning has plant in Toronto, Ontario area and Edmonton, Alberta making fiberglass insulation batts and rolls, and plant in other locations, plus distribution centers across Canada, so Owens Corning products sold in Canada are often made in Canada with Made in Canada labeling, though many products are also imported from US plants. Owens Corning is major competitor to Johns Manville in insulation market, both making fiberglass insulation sold at Home Depot and Lowes, with Owens Corning known for pink insulation color. Owens Corning also makes roofing shingles like Duration series. In Canada, Owens Corning insulation is made in Canada at its Canadian manufacturing sites, serving Canadian building codes and climate, with recycled glass content. So Owens Corning is American company but has Canadian manufacturing, making products in Canada for Canadian market, similar to Johns Manville which has plant in Innisfail, Alberta. So yes, Owens Corning made in Canada at Canadian plants, though company is American-owned with global operations.