Spruce Timber

Pine & spruce wood timber ab and abc grademix fresh cut with antiseptic treatment (anti-blueanti-stain) or killn dry in steam camera till 12% moisture quality requirements not allowed: blue, rot, wormholes, damage from insects; wane all kinds - not allowed; knots rebrov (violating the integrity of the board), rotten, falling out - not allowed; cracks permitted surface, not through, do not go on the end; end cracks are only allowed in the zone allowance on length of lumber; resin pockets - not allowed; no mechanical damage.