WISA®-Birch
Multipurpose product of high quality for various applications where an excellent strength to weight ratio is needed.
All birch veneer, structural grade plywood to which the section properties, grade stresses and moduli listed in BS 5268-2 apply; see also 'Handbook of Finnish plywood' (visit manufacturer's website for details).
Plies are bonded using a phenolic resin, cross-bonded, weather resistant glue to EN 314-2, Class 3 'Exterior'.
Shapes, profiles and drillings can be machined to specifier's drawings.
As wood is a living material, every panel is unique. Thus a photograph or a sample piece cannot represent all variations in colour, shade, graining, knots, etc.
| Finish | Sanded along the grain Available on request. Unsanded |
| Features | 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 |
| Material | Birch plywood |
| Shape | Rectangular |
| Uniclass 2015 | |
| CAWS | G20/15 Plywood G20/310 Structural plywood G20/311 Non-structural plywood H20/150 Sheet cladding H20/155 Sheet cladding K11/115 Battened plywood floating floor K11/215 Plywood floating floor K11/315 Plywood flooring K11/40 Plywood K11/415 Plywood wall sheathing K11/515 Plywood roof decking K11/615 Plywood sarking K11/715 Plywood underlay K11/815 Plywood M40/10 Natural stone covering to M40/110 Tiling to M40/115 Natural stone covering to M40/120 Mosaic to M40/15 New backgrounds/ bases M40/400 Backgrounds M40/5 Tiling to M50/55 Plywood underlay M50/560 Plywood underlay M51/371 Plywood underlay N10/10 Purpose-made N10/110 Purpose-made N10/160 Shelving system N10/30 Shelving system P20/240 Plywood P20/40 Plywood |
| Product Reference | WISA-BirchWISA-Birch Special |
| Face veneer appearance class to BS EN 635 | Class IIWISA-Birch Special only. Grade S to SFS 2413. Class IIIWISA-Birch only. Grade BB to SFS 2413. |
| Reverse veneer appearance class to EN 635 | Class IVWISA-Birch only. |
| Finish | Sanded along the grainAvailable on request. Unsanded |
| Thickness | 6.5 mm9 mm12 mm15 mm18 mm21 mm24 mm27 mm30 mm |
| Edge profile | SquareAs standard. Tongued and grooved two long edgesTongued and grooved four edges |
| Panel size | Contractor's choice |
| Product Options | Face veneer appearance class to EN 635: Available face veneer qualities:
Face grades II and III are recommended where high strength is needed. For the best face grades for visible, demanding applications see WISA-Birch Premium. Thickness (number of plies); weight:
Other thicknesses available on request. Thicknesses and tolerances meet requirements of EN 315. Panel size: Standard sizes are:
Scarf jointed panels up to 1950 x 5600 mm available on request. Strength of scarf joint is 10–30% less than that of standard panel. |
| Platform | Compatible | Version | Certified to |
|---|---|---|---|
 Revit | Revit 2016 | 2 | 2.0 |
 IFC | IFC2X3 | 1 | 1.3 |