WISA Plywood

    * required

    WISA-Phon N is a birch plywood sandwich panel with good sound-absorbing properties. It is intended for use in the transportation industry (bus and train floors etc.) where sound-absorbing features are needed.


    • Good sound reduction properties
    • Good strength and stiffness properties
    • Easy to machine


    • Railway coaches
    • Bus floors
    • Stage/theatre floors


    Phenolic resin cross-bonded weather resistant glueing according to EN 314-2 class 3
    exterior. Urea Formaldehyde resin cross-bonded interior glueing according to EN 314-2 class 1


    Uncoated birch faces or dark brown phenolic film coated.

    Airborne sound insulation

    Index Rw 35

    Panel sizes

    Standard panel sizes: 1200/1220/1250/1500/1525 x 2400/2440/2500/3000/3050 mm
    Other sizes upon request.

    Thicknesses and weights

    Thicknesses and tolerances fulfils the requirements of EN 315 (Plywood – Tolerances for dimensions) and are in part stricter. Other thicknesses on request.

    Thickness (mm) Weight (kg/m2)
    16 16.5
    21 21.0

    The rubber layer thickness is 3 mm.
    Other panel thicknesses available upon request.

    Related products