TECHNICAL SPECIFICATION
- Stave length: 1200 -1800mm, stave width: 55-130mm
- Moisture: 10% (+-) 2%
- Sanding: #240, sanding must maintain a consistently smooth surface without waves.
- Glue: D4
- Tolerance: Length: +/-5mm, Width: +-2 mm, Thickness: +/-0.3mm
| Face B | Face C | |
| Live knot | Allowed | Not limited |
| Dead knot | Allowed 5 knots/m2 | Not limited; dead knot > 30mm is not allowed |
| Sapwood | Allow maximum 50% stave wood | Not limited |
| Heartwood | Not allowed | Not limited |