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Species Grading


Grade Chart

White Oak

Red Oak

Practically free of defects, made up mostly of heartwood. Most uniform color, with limited small character marks.



Almost clear, with more of the normal characteristics such as knots and color variations. Unlimited sound sap wood (lighter in color).

No. 1 Common

More markings than clear or select. Light and dark colors, knots and other character marks provide a variegated appearance. Often selected because of their  natural, rustic appearance.

No. 2 Common

The most knots, imperfections and color variations. A natural looking, economical floor after knot holes, checks and other imperfections are filled and finished.

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