Members of the Council of Forest Industries (COFI), under the requirements of the Canadian Standards Association, manufacture Canadian Spruce Plywood (CSP), and Douglas Fir Plywood (DFP).
Softwood plywood is used primarily in residential and commercial construction for sheathing applications in walls, roofs and floors. Factory-machined tongue and groove (T-G) profiles are offered for flooring (COFI FLOOR) and roofing (COFI ROOF).

Sizes:

Thickness: Thickness ranges from 3.6mm through 21mm.
Panel Size: 3 feet (910mm) and 6 feet (1830mm) in width and from 4 feet (1220mm) to 12 feet (3660mm) in length.