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 A | Face C | |
| Live knot | Allowed 17 live knots/m2, two small live knots equal to 1 live knot | Not limited |
| Dead knot | Not allowed | Not limited; dead knot > 30mm is not allowed |
| Sapwood | Allow a maximum 30% on a stave wood | Not limited |
| Heartwood | No | Not limited |