Birch boards l

Common Grade birch wood - 60% of surface is free of any defects. Minimum size of free of defects rectangular cut must be no less than 100*600mm or 80*900mm.

Premium Grade birch wood - 83% of surface is free of any defects. Minimum size of free of defects rectangular cut must be no less than 100*1500mm or 80*2000mm

Length - 1850, 2150, 2450, 2750, 3050, 3350, 3660 mm with maximum deviation -5/+20 mm

Width - from 100 mm with 5mm increment for Common Grade  and From 150 mm with 5mm increment for Premium Grade

Thickness 24mm, 25.5mm or as ordered with deviation no more than -0.2/+1.0mm

 S4S or S2S

Humidity 6-8%

1. BIRCH WOOD

Premium and common grade birch board.