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It is created by compressing wood fibers with the addition of organic substances under high pressure and temperature conditions.

Carpentry board in Class II (right and left side) may have the following permissible defects:

  • Healthy, grown, and partially grown knots
  • Isolated, ungrown knots
  • Few internal inserts
  • Cracks (up to 6 mm) filled with putty

External surface of the carpentry board: alder, birch

Central strip: coniferous

The carpentry board can be veneered with all available veneers on the market.