Subalpine fir (Abies lasiocarpa), also known as balsam or balsam fir, grows throughout most of the British Columbia Interior, and is marketed in the SPF species group (spruce-pine-fir) with lodgepole pine and interior spruce.
Kiln-dried SPF lumber is used as a structural framing material in all types of residential, commercial, industrial and agricultural building applications. It is also used extensively in the manufacture of prefabricated housing, trusses and other structural components. This wood is used for plywood veneers, planing-mill products, doors, frames and general millwork..
Subalpine fir is produced predominantly as SPF in structural grades according to National Lumber Grades Authority (NLGA) rules for dimension lumber. Select Structural, #2 and better, and stud grades are the most common.