Construction Lumber Structural Joists and Planks
Photo (right) of Hem-Fir sawn, unseasoned, mixed grades of No. 1 and No. 2 shown in 8″ and 10″ widths (NLGA Rules).
Photo (left) of Hem-Fir sawn, unseasoned, No. 3 grade shown in 6″ and 8″ widths (NLGA rules).
Note: this type of lumber is available in all species, graded to Canadian or foreign grading rules or to market specifications, kiln dried or unseasoned, in imperial or metric sizes up to 12″ (300mm) squares.