| Grade | Checks | Knots | Wane | Splits | Shake | Warp |
|---|---|---|---|---|---|---|
| #2 | Seasoning, not limited | Well spaced, any quality, size varies by dimensions | ⅓ T, ⅓ W, full length | Equal in length to 1½ times the width | Up to 2’ long, surface | ½ of Medium |
| #2 Appearance | Seasoning, not limited | Sound, firm, encased, size varies by dimensions | ¼ T, ⅙ W, ¼ length | Equal in length to 1½ times the width | Up to 2’ long, surface | ½ of Medium |
| #1 | Seasoning, not limited | Sound, firm, encased, size varies by dimensions | ¼ T, ¼ W, full length | Equal in length to width of board | Up to 2’ long, surface | ½ of Medium |
| D-Clear | Unlimited | 4 sound 1”, or 8 smaller | ⅛ W, ¼ length | Short | Not Allowed | Medium |
| C-Clear | 4 small | 3 sound 1”, or 5 smaller | Not Allowed | Short, 5% of pieces | Not Allowed | Light, occasional pieces |
| B-Clear | 4 small | On reverse face, 3 sound small | Not Allowed | Short, 5% of pieces | Not Allowed | Very light, occasional pieces |
*These are the most common characteristics in grading; additional characteristics in grade apply.
Lumber is graded best face and one edge. Clear grade characteristics are graded in 12’ sections.
#2 Appearance
B Clear
