WISA®-Form Birch
WISA-Form Birch is a coated special plywood for use in concrete formwork where high requirements are set on the concrete surface and the number of reuses.
Birch plywood made solely from birch (hardwood) veneers bonded together in a cross banded construction.
Face and reverse: Dark brown phenolic film 120 g/m2 or 220 g/m2.
Edge sealing: Water resistant paint
Available thicknesses (mm):
6.5, 9, 12, 15, 18, 19, 21, 24, 27, 30, 35, 40, 50
Standard size range:
1220/1250 x 2440/2500/2700
1500/1525 x 2500/2700/3000/3050/3660
1000/2000 x 2000/2500/2700/3000
Maximum size: 1525 x 3660
Cut sizes at customer’s request
Size tolerance (length/width) ±1mm per metre
Squareness tolerance ±1mm per metre length of diagonal
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