Definition of Grading Terms as set by The National Oak Flooring Manufacturing Association:
Clear: Best appearance, Best grade, most uniform color, limited small character marks, bundles 1.25' and up average length 3.75'
Select: Excellent appearance, limited character marks, unlimited sound sap, bundles 1.25' and up average length 3.25'
Number one common: variegated, light and dark colors; knots, flags, worm holes and other character marks allowed to provide a variegated appearance after finished, bundles 1.25' and up average length 2.75'
Number two common: Rustic appearance, all wood characteristics of species., bundles 1.25' and up average length 2.25'
First Grade, Best appearance, natural color variation, limited character marks, unlimited sap, bundles 2' and up, 2' & 3' bundles up to 33% footage.
Second Grade, Variegated appearance, varying sound wood characteristics of species, bundles 2' and up 2' & 3' bundles up to 40% footage.
Red OakC,S,#1,#21.5,2,2.25,3,3.25,4,5,6,7,8White OakC,S,#1,#21.5,2,2.25,3,3.25,4,5,6,7,8Hard Maple1st, 2nd2.25,3.25White AshC,S,#11.5,2.25,3,4,5,6,7American CherryS,#1.75,1.5,2.25,3,4,5,6,7Black WalnutS,#1.75,1.5,2.25,3,4,5,6,7HickoryS,#11.5,2.25,3,4,5,6,7Yellow PoplarS1.5,2.25,3,4,5,6,7Wormy MapleCommon1.5,2.25,3,4,5,6,7River BirchS1.5,2.25,3,4,5,6,7Red GumS,#11.5,2.25,3,4,5,6,7SassafrasS,#11.5,2.25,3,4,5,6,7PecanS,#11.5,2.25,3,4,5,6,7Yellow CypressS,#11.5,2.25,3,4,5,6,7Red BeechS&B,S,#14,5Yellow BirchS&B,#11.5,2.25,4,5
Brands and Species
American Heart Pine
Hassel & Hughes
Indiana Hardwood Specialist
International Hardwood Floors Bruce
Grillworks Kentucky Wood
Wood Flooring International JohnsonMercier
Ten Oaks Laminate: