North American Industry Classification System (NAICS) Canada 2017 Version 2.0

• 31-33 - Manufacturing
• 321 - Wood product manufacturing
• 3211 - Sawmills and wood preservation
• 32111 - Sawmills and wood preservation

321114 - Wood preservation^US

This Canadian industry comprises establishments primarily engaged in treating lumber, plywood, poles and similar wood products, produced in other establishments, with preservatives to prevent decay and to protect against fire and insects. Pressure treating is the most common method used.

• Illustrative example(s)

  • creosoting of wood
  • lumber and plywood, treating with creosote or other preservatives
  • piles and pilings, foundation and marine construction, treating
  • pressure treated lumber, made from purchased lumber

  All examples

• Inclusion(s)

  • cutting to size and treating poles, pilings, posts and similar roundwood products
  • treatment of wood products with organic compounds such as creosote, and water-borne inorganic compounds, such as chromated copper arsenate