WISA-Parquet Birch is a rigid, smooth surfaced plywood component for the various needs of the parquet industry. Thanks to its uniform consistency and strength, the product is an excellent choice as a machined end piece for a three-layer parquet locking system or as a base material for two-layer parquets. Smooth and even surface together with uniform thickness enables high quality gluing process of parquets.
Properties
- Uniform consistency combined with excellent strength properties
- Both faces with smooth and even surface
- Moisture content controlled special product with moisture protecting packaging
End-uses
- Two-layer parquet
- Three-layer parquet
Bonding
Weather resistant gluing according to EN 314-2/class 3 Exterior. WISA-Parquet Birch fulfills the requirements of EN 13986 E1 low formaldehyde emission class. On request deliveries according to EPA TSCA Title VI and CARB Phase II.
Available surface qualities
BB (III) and WG (IV) surface qualities comply with the EN 635-2 standard (Plywood – Classification by surface appearance) and are in part stricter. WGE surface quality is optimized to meet the requirements for a closed surface.
Standard panel sizes
1220/1250 x 2440/2500 mm
1500/1525 x 2500/3000/3050 mm
Pre-cut panels available on request.
Size tolerance (lenght/width) ± 1 mm/1000 mm
Squareness tolerance ± 1 mm/1000 mm
Thicknesses and tolerances
| Nominal thickness (mm) | Number of plies | Thickness min. max. | Moisture content % | Moisture content % tolerance | Weight (kg/m2) abt. |
|---|---|---|---|---|---|
| 6.5 | 5 | 6,3-6,7 | 7,5 | +/-1,5 units | 4,4 |
| 8,0 | 6 | 7,8-8,2 | 7,5 | +/-1,5 units | 5,4 |
| 8,8 | 7 | 8,6-9,0 | 7,5 | +/-1,5 units | 6,3 |
| 8,9 | 7 | 8,7-9,1 | 7,5 | +/-1,5 units | 6,3 |
| 9,0 | 7 | 8,8-9,2 | 7,5 | +/-1,5 units | 6,3 |
| 9,1 | 7 | 8,9-9,3 | 7,5 | +/-1,5 units | 6,3 |
| 9,2 | 7 | 9,0-9,4 | 7,5 | +/-1,5 units | 6,3 |
| 10,5 | 8 | 10,2-10,8 | 7,5 | +/-1,5 units | 7,3 |
| 12,0 | 9 | 11,7-12,3 | 7,5 | +/-1,5 units | 8,2 |
| 15,0 | 11 | 14,5-15,1 | 8,0 | +/-1,5 units | 10,1 |
| 18,0 | 15 | 17,1-17,7 | 8,0 | +/-1,5 units | 12,0 |
