Black walnut is moderately heavy and strong. It works easily and has one of the beautiful color and grain patterns of woods from around the world. Quarter cut will have more uniform pattern.
| Industry Standard | Architectural Lumber Specification Beyond the Grade | |
| Grade | NHLA Select & Better | NHLA Select & Better |
| Color | No current NHLA specifications | Steamed and sorted for pleasing color appearance from board to board |
| Widths | 4" minimum | 4" minimum |
| Lengths | 6' and longer | 6' and longer |
| Clarity | No current NHLA specifications | Lumber is sorted to maximize yield |
| Grade & Manufacturing |
Product of allowable defects per NHLA grade flat cut | Lumber is manufactured to minimize wane |
Pictures are for illustration purposes to show the variation of the species and cut and will not be an exact representation. Lumber is a product of nature where every board is unique in grain, color and defects.