WISA®-Spruce Special

A lightweight and economical, general purpose, spruce veneer plywood suitable for structural uses such as wall sheathing, flooring, roofing, formwork and joinery.

Plies are bonded using a phenolic resin, cross-bonded, weather resistant glue to EN 314-2, Class 3 'Exterior'.

For appearance grades and structural properties see 'Handbook of Finnish plywood' (visit manufacturer's website for details).

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.

General information


Sanded both faces


Light weight; High quality; improved surface quality PEFC certified

Light weight; High quality; PEFC certified


Spruce plywood



Uniclass 2015

Pr_25_71_97_86 Structural veneer plywoodsPrimary


G20/15 Plywood

G20/310 Structural plywood

G20/311 Non-structural plywood

H20/150 Sheet cladding

H20/155 Sheet cladding

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Specification data - Structural veneer plywoods

Product Reference


Face veneer appearance class to BS EN 635

Class Special G

Class III


9 mm

12 mm

15 mm

18 mm

21 mm

24 mm

Edge profile


As standard.

Tongued and grooved two long edges

Tongued and grooved four edges

Panel size

1220 x 2440 mm

1250 x 2500 mm

Contractor's choice

Standard product features


All grades are sanded both sides.

Product Options

Thickness (number of plies); weight:

  • 9 mm (3 ply); 4.1 kg/m².
  • 12 mm (5 ply); 5.5 kg/m².
  • 15 mm (5 ply); 6.9 kg/m².
  • 18 mm (7 ply); 8.3 kg/m².
  • 21 mm (7 ply); 9.7 kg/m².
  • 24 mm (9 ply); 11.0 kg/m².

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