In addition to interior and exterior trim, lumber of this grade is used for cabinetry, doors, windows and similar applications. This grade permits larger and more numerous natural characteristics and is used where general utility is more important than appearance. Other characteristics are limited so they do not detract from the end use intended. A Quality Knotty Natural growth characteristics not limited as stringently as in Select Knotty. Cross cutting may be required on some pieces to yield tight knotted siding.
Boards often represent good value in the no-hole product range.
Occassional pieces may require trimming to yield suitable quality for the intended end use. Typically supplies as S1S2E products. S4S products may require special ordering.