Boards are softwood lumber less than 2Ħħ in nominal thickness. Boards with specific grain patterns are often desirable for particular end uses (e.g., edge-grain western hemlock for interior paneling).

Boards are produced from Spruce- Pine-Fir (SPF), Douglas-fir-Larch and Hem-Fir. Eastern white pine, red pine and western red cedar have their own distinct grades due to their popularity as interior and exterior finish siding. These standards can include specifications of colour, grain orientation, surface finish, knot size, rings per inch, dimensional tolerances, wane, moisture content, packaging, lengths, and more.

Boards are less than 2Ħħ thick, 2Ħħ or more wide and are of random lengths of 6 feet or longer. Most boards are surfaced on four sides (S4S) and may often have tongue and grooving cut into them. Board grades are divided into four main groups based on the occurrence of knots, checks, wane, warp and manufacturing defects which determine their visual appearance. The grades are selects and commons, sheathing and form lumber, eastern white and red pine selects and commons, and western red cedar finish and bevel siding. Boards used as exterior siding, sheathing and general construction uses are usually shipped green while higher grades of boards, especially those intended for interior use can be kiln dried to a moisture content of 19% or less.

The green low grade boards are used mostly for packaging, sheathing, shimming and transportation items such as pallets. High grade softwood boards are used for joinery and cabinetry. They are re-manufactured into cabinets (kitchen and bathroom), furniture (including coffee tables, dressers, chairs, bed frames, etc.), shelving, windows and doors. Lengths can go from 2 - 10 feet in two foot increments.

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