WISA-Form Birch

WISA Plywood

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    WISA-Form Birch is a household name in the formworking industry, a universal casting panel that can be used in numerous different applications from frame systems to special formwork projects. The full birch base panel combined with phenolic coating is especially designed for the formwork end use and has an excellent strength to weight ratio and stable striking properties. Strong standard construction can be optimised further by using strength oriented construction when needed.

    Properties

    • Excellent strength/weight ratio
    • Sound face for smooth surface
    • Good striking properties
    • Possibility to customise according to your needs

    End-uses

    • Horizontal formwork
    • Vertical formwork
    • Special formwork
    • Frame formwork systems

    Bonding

    Phenolic resin cross-bonded weather resistant glueing according to EN 314-2/class 3.

    Surface and edges

    Face and reverse: Dark brown phenolic film 120 g/m2 or 220 g/m2.
    Edge sealing: Water resistant paint.

    Panel size

    Standard panel sizes:

    • 1200/1220/1250/1500/1525 x 2400/2440/2500/2700/3000/3050/3600/3660 mm
    • Cut sizes at customer’s request
    • Size tolerance (length/width) ±1mm per metre
    • Squareness tolerance ±1mm per metre length of diagonal

    Constructions and thicknesses

    Nominal thickness (mm) Number of plies WISA-Form standard sizes (mm)
    min. max.
    6.5 5 6.1 6.9
    9 7 8.8 9.5
    12 9 11.5 12.5
    15 11 14.3 15.3
    18 13 17.1 18.1
    21 15 20.0 20.9
    24 17 22.9 23.7
    27 19 25.2 26.8
    30 21 28.1 29.9
    > 30 ± 3% ± 3%

    View more info about WISA® plywood or download the PDF Brochure here.

    WISA-Form Birch – 349 KB

     

    WISA Guide to Good Site Practice – 43 KB

     

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