WISA-Birch Maxi is a high quality scarf jointed panel for applications where an excellent strength to weight ratio is needed along with large seamless surface. Strong standard construction can be optimised even further by using strength oriented construction when needed. Due to its light, smooth and even surface WISA-Birch Maxi offers an optimal base for different overlaying methods.
- Excellent strength/weight ratio
- Possibility to customise according to your needs
- Light, smooth and hard surface
- Wide size and thickness range available with strict tolerances
- Vehicle floors
- railway wagons
Panels have clean sanded wooden surfaces. Maxi panels are produced by scarf jointing normal sized birch plywood together. The scarf joint can be seen as a brown line on the plywood surface.
Available surface qualities BB(III) or WG(IV)
For detailed info see document about surface qualities.
Generally, panels have different appearance on each surface,
eg. quality is defined BB/WG.
Maxi sizes (mm)
1800 x 3000 mm
2000 x 3000 mm
The largest scarf-jointed size 12300 x 2700 mm
CNC-machined components according to customer drawings and designed strength properties available on request.
Thicknesses and technical properties
|Nominal thickness (mm)||Number of plies ||Tolerance min - max ||
Weight about kg/m2
|9||7||8.3 - 9.1|| 6|
|12||9||11.0 - 12.0|| 8|
|15||11||13.8 - 14.8|| 10|
|18||13||16.6 - 17.6|| 12|
|21||15||19.5 - 20.5|| 14|
|24||17||22.3 - 23.3|| 16|
|27||19||24.7 - 26.3|| 18|
|30||21||27.6 - 29.4|| 20|
Moisture content 8 - 12%.