QUALITY CLASS

3 Layer – PINE

Quality class A (A according to EN 13017-1):

Joint-tight surface, plain to slightly coarse wood, healthy tightly grown knots. Natural knots, possibility of isolated black dotted knots, resin pockets, slight colour deviations  and slight cracking at the edges. Patching with natural knots and resin pockets possible. virtually free of compression wood and pith, (in pine, larch and Douglas fir), overall homogeneous wood appearance.

Quality class B (B avg. EN 13017-1):

Joint-tight surface, strong and pronounced wood grain, larger knots and resin pockets likely, patching with natural knots and resin pockets possible, boxwood, slight discoloration can occur.