WISA Plywood

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WISA-Roof is a spruce plywood with strength oriented construction designed for load bearing roofing sub-structures. The unsanded face gives better grip on the roofing site and thereby decreases the risk of accidents. WISA-Roof is surface treated which gives protection during construction work. This quick and easy to install panel saves time and money – the most valuable inputs you have.


  • Non-slip face
  • Surface treated against wood colouring and decaying fungi
  • Quick and easy to install
  • Strength oriented construction


  • Roofing sub–structures
  • Flooring sub–structures


Weather resistant glueing according to EN 314-2/class 3 Exterior.


Surface quality is unsanded III according to the standard EN 635-3. Yellow wood
protecting agent is applied on both surfaces in controlled factory conditions. This gives a
good protection during construction work. The panel should be painted with suitable paint
on those parts which are left visible in exterior use.

Panel sizes

2400 x 1200/600 mm
Size tolerances according to the Handbook of Finnish Plywood.

Thicknesses and weights

Panel thickness, mm16 +/-0.5 mm18 +/-0.5 mm
Weight, kg/m²7.48.3

Sizes and thicknesses relating to moisture content 8 – 10 %.

Thicknesses and tolerances fulfil the EN 315 requirements, +/- 1 mm/1000 mm.

Product brochure

WISA-Roof – 315 KB

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