A: virtually knotless, occasional knot points possible, nearly no repairs, occasional sapwood possible, natural colour variations, jointfree gluing.
B: sound knots possible, occasional dead knots, knotholes professionally filled, sapwood possible, natural colour variations, jointfree gluing.
Panels are glued SWP/2 NS (non structural): solid wood panels for non-structural use in wet areas, with regard to appropriate constructional protection also suitable for exterior use (sheltered areas).
Legend: SML = strip core, BML = board middle layer.
More information concerning fire classification in the accompanying information to CE-marking.