North American Industry Classification System (NAICS) Canada 2012
- 31-33 - Manufacturing
- 321 - Wood product manufacturing
- 3211 - Sawmills and wood preservation
- 32111 - Sawmills and wood preservation
321114 - Wood preservationUS
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. Establishments primarily engaged in cutting to size and treating poles, pilings, posts and similar roundwood products are included. Pressure treating is the most common method used. Some common preservatives used in the treatment process include organic compounds such as creosote, and water-borne inorganic compounds, such as chromated copper arsenate.
- 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
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