Description
Face Veneer Grading
| Description | AB Grade | Millrun Grade |
|---|---|---|
| Moisture Content |
8% +/- 1% |
8% +/- 1% |
| Blue Stain / Black Stain |
Minimal allowed |
Little allowed |
| Pitch/Mineral Streak |
Occasional allowed |
Allowed |
| Open End Split |
Not allowed |
Allowed: 1mm max 100mm |
| Filled End Split |
Permit occasional |
Allowed: Filled |
| Sound Knot |
Allowed: Max 20mm diameter |
Allowed: Max 60mm diameter |
| Knot Clusters |
Allowed |
Allowed |
| Dead Knot |
Occasional up to 10mm – filled if necessary. Permits small pin knots unfilled |
Allowed: Max 35mm diameter |
