WISA-Form Beto

WISA Plywood

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WISA-Form Beto is coated plywood for use in horizontal concrete formwork. The product has a mixed construction core; the inner veneers are made from spruce making the panel light in weight, and the face veneers are made from birch giving the surface more strength and hardness against tear and wear.


  • Lightweight
  • Sound face for smooth surface
  • Good striking properties


  • Horizontal formwork applications
  • Less demanding vertical formwork applications


Phenolic resin cross-bonded weather resistant glueing according to EN 314-2/class 3, EN 636-3.

Surface and edges

Face and reverse: Dark brown phenolic film 120 g/m2.
Imprinted text: “WISA-Form BETO”.
Edge sealing: Water resistant paint.

Panel size

1220/1250 x 2440/2500 mm
Size tolerance (length/width) ±1mm per metre
Squareness tolerance ±1mm per metre length of diagonal

Thicknesses and weight

Nominal thickness
Number of plies Min. thickness (mm) Max. thickness (mm) Weight
Pallet Panels/pallet
15 8 14.3 15.3 8.4 60
18 11 17.1 18.1 10.2 50
21 11 20.0 20.9 11.8 45

Moisture content: 8-10 %

Product brochure

WISA-Form Beto – 337 KB

WISA Concrete Forming plywood – 549 KB

WISA Guide to Good Site Practice – 43 KB

WISA Site Guidance Note – 155 KB

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