WISA-Twin is a lightweight multipurpose panel with multiple choices of end uses. The birch veneers make the surface even, smooth and light in colour while the spruce inner veneers keep the panel light in weight. It is also CE marked for structural purposes. WISA-Twin is environmentally sustainable. The PEFC label guarantees that wood used in product is from well managed certified forests. As it is produced in Europe, its ecological footprint is small.
WISA-Twin
Properties
- Light even smooth surface
- Easy to handle and machine
- PEFC labelled
- CE marked
- Long grained
End-uses
- Construction
- Joinery and shop fitting
- Furniture
Bonding
Weather resistant gluing according to EN 314-2/class 3 Exterior. WISA-Twin fulfills the requirements of EN 13986 E1 low formaldehyde emission class. On request deliveries according to EPA/CARB.
Surface and edges
Fully Sanded long grain birch with a light coloured, smooth surface.
Face: Quality BB
Reverse: Quality WG
Panel size
2440 x 1220 mm
2500 x 1250 mm
Size tolerances according to the Handbook of Finnish Plywood.
Thicknesses and weights
Thicknesses and tolerances fulfils the requirements of EN 315 (Plywood - Tolerances for dimensions) and are in part stricter. Other thicknesses on request.
| Nominal thickness (mm) | Number of plies | Tolerance | Weight kg/m2 |
|---|---|---|---|
| thickness (mm) min. - max. | |||
| 5 | 3 | 4.7 - 5.3 | 2.7 |
| 9 | 5 | 8.8 - 9.5 | 4.8 |
| 12 | 5 | 11.5 - 12.5 | 5.9 |
| 15 | 7 | 14.3 - 15.3 | 7.5 |
| 18 | 7 | 17.1- 18.1 | 8.8 |
| 21 | 9 | 20.0 - 20.9 | 9.9 |
| 24 | 9 | 22.9 - 23.7 | 11.2 |
Sizes and thicknesses relating to moisture content 7 - 12 %.
Thicknesses and tolerances fulfil the EN 315 requirements.