PLYWOOD GRADE II (BB)
II grade (or 2). In this plywood grade partially fused, non-united, loose knots, holes from them wormhole diameter less than 6 mm in 6 pieces. 1 m2, is also allowed not more than 10 healthy intergrown knots per 1 m2 of a diameter of 25 mm, allowed to fix the surface sheet. Swirls and open defects are sealed inserts veneer. This plywood is used to cover a variety of finishing materials and colors.