Treated Softwood Plywood

OSB3 Panels


WISA Structural Plywood is manufactured in Finland and is made of cross-bonded 3mm thick coniferous veneers and bonded with a weather and boil-resistant phenolic resin adhesive.
Micronised Pressure Treated in the UK.
Pressure Treated – Structural Softwood Plywood commonly used in the agricultural industry where additional protection is required against rot (fungal decay) and insect attack. Multi-purpose board.


Species: Finnish Spruce
Board Thickness: 12mm, 18mm
Sheet Size: 2440x1220mm
Bond Class: EN314-2/Class 3 Exterior.
Grade: G/111

Technical Data

Density Prior to Pressure Treatment: 460kg/m3
Moisture Content Prior to Pressure Treatment: 10% (+/- 3%)
Tolerances Prior to Pressure Treatment: To BS EN 315
NB: The Pressure Treatment process will increase the moisture content of the board immediately after treatment and tolerances will vary whilst the product acclimatises and reaches its natural equilibrium when installed

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