- Description
- Thicknesses and Weights
Description
Properties
- Excellent strength/weight ratio
- Sound face for smooth surface
- Good striking properties
- Wide size range up to 12300 x 2700 mm
- Possibility to customise according to your needs
End-uses
- Vertical formwork
- Special formwork
- Frame formwork systems
Bonding
Weather resistant gluing according to EN 314-2/class 3.
Surface and edges
WISA-Form Maxi Birch has a coating weight for both sides is approx. 220 g/m2.
WISA-Form Super Maxi Birch has a coating weight for face 540 g/m2 and
reverse side 220 g/m2.
Face and reverse: Dark brown phenolic film.
Edge protection: Water resistant paint.
Only the top side can be used for concrete shuttering.
Panel sizes
Maxi panel sizes are 2000 –12300 x 2000 – 2700 mm
Thicknesses and weights
Nominal thickness (mm) | Number of plies | Thickness | Weight (kg/m2) abt |
---|---|---|---|
min. – max. | |||
6.5 | 5 | 6.1 – 6.9 | 4.4 |
9 | 7 | 8.8 – 9.5 | 6.1 |
12 | 9 | 11.5 – 12.5 | 8.2 |
15 | 11 | 14.3 – 15.3 | 10.2 |
18 | 13 | 17.1 – 18.1 | 12.2 |
21 | 15 | 20.0 – 20.9 | 14.3 |
24 | 17 | 22.9 – 23.7 | 16.3 |
27 | 19 | 25.2 – 26.8 | 18.4 |
30 | 21 | 28.1 – 29.9 | 20.4 |
Sizes and thicknesses relating to moisture content 8–12 %.
Thicknesses and tolerances fulfils the requirements of EN 315 (Plywood – Tolerances for dimensions) and are in part stricter.