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, mm 16 +/-0.5 mm 18 +/-0.5 mm
    Weight, kg/m² 7.4 8.3

    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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