White birch lumber

Birch Sawn Timber

Birch boards, furniture and flooring data-spm-anchor-id="a2700.details.0.i39.7d569fe2cMS35l">

Species : Birchwood sawn lumber ( Betula )Finished : Sawn Timber & p>

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Type of Goods:	lumber, boards, >
Species:	birch

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Thickness : 25mm // 32mm // 38mm // 43mm // 50mm // 60mmWidth : 80 and up // 100 and upLength : 300-950mm // 1000-1700mm // 1800-2000mm // 2100-2400mm // 2500mm and up

r>25x25mm // 32x32mm // 38x38mm // 43x43mm // 50x50mm // 60x60mmLength : 300-550mm // 600-800mm // 850-950mm

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Tolerances:	-0.0mm, +2.0mm on thickness-0.0mm, +4.0mm on width-0.0mm, +10.0mm on length
Moistness:	fresh cut or KD 6..14%
Volume:	up to 600 cbm/month
Quality Requirements:
Grade "A"	4 sides clear without any defects false heartwood not allowed
Grade "B"	3 sides clear up to 2..3 knots with max. diameter 15mm per running meter allowed only on bottom face false heartwood not allowed
Grade "C"	1..3 faces clear up to 2..3 sound knots with max. diameter 15mm per running meter allowed only on bottom face false heartwood on bottom face is allowed up to 50% of the thickness of the
Grade "Rustic"	up to 2..3 sound knots with max. diameter 40mm per running meter allowed on both faces up to 1..2 dark knots with max. diameter 25mm per running meter allowed on both faces false heartwood allowed without limitations
GeneralRequirements:	rot, insects, wormholes not allowed face, end and edge cracks not allowed ring shakes not allowed