Changes to Canada's national building code could prove promising for an ailing forestry industry. Starting in 2020, the national building code of Canada will allow for mass timber buildings to be constructed across the country. Currently, buildings made of wood are only allowed to stand six storeys high. After the mass timber policy change next year, buildings will be permitted to stand up to 12 storeys tall.  The increase in size and scale of wooden buildings could help revitalize the forestry industry, according to professionals in the field.  First of its kind 12 ...