Photo (right) of Douglas fir, sawn, unseasoned, mixed grades of Standard and Construction shown in 4" widths (NLGA Rules).Photo (left) of Douglas fir, sawn, unseasoned, Utility grade shown in 4" widths (NLGA Rules).

Note: this type of lumber is available in all species, graded to Canadian or foreign grading rules or to customer’s specifications, kiln dried or unseasoned, in imperial or metric sizes up to 12" (300mm) squares.