AA: The best quality face grade for high end use such as architectural paneling, doors and cabinets, case goods and quality furniture.
A:Where AA is not required but excellent appearance is very important as in cabinets and furniture.
B:Where the natural characteristics and appearance of the species are desirable.
C, D, & E:Provide sound surfaces but allow unlimited colour variation; respectively, allow repairs in increasing size ranges.
Specialty: Appearance characteristics are not standardized and are subject to agreement between individual buyer and seller, as in factory finished wall paneling.