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 |
Crack | Allowed: max 2mm putty filled | |
---|---|---|
Sap Wood | Allowed: up to 35% of face | |
Color Contrast | Allowed | |
Worm Hole | Treated and Putty filled | |
Crack in Sound Knot | Putty Filled | |
Rot / Residual Colour | Little allowed |