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| 1 | WOOD QUALITY | construction timber for non statically use (medium visual appearence and strength) |
| 2 | COLOR | jellowish to brownish, to copper brown darkend |
| 3 | DENSITY | middle density 0,70--0,79 --0,85 g/cm3 |
| 4 | RESISTANCE (DIN EN 350-2) | class 1-2 |
| 5 | DIMENSION STABILITY | good |
| 6 | SPEED OF MOISTURE CONDITIONING | very less |
| 7 | OTHER | water soluble components |
| 8 | PITH | Not allowed on face, allowed to a minor degree (50% of surface) on backside |
| 9 | ROTTEN HEART | allowed to a minor degree, max 10% of crosssection and 20% of length |
| 10 | WANE | not allowed |
| 11 | BARK POCKETS | to a minor degree allowed |
| 12 | SAPWOOD | Not allowed on face, to a minor degree allowed on backside |
| 13 | ROTTEN SAPWOOD | not allowed |
| 14 | DECOLORATION | allowed up to 30% of surface, must be healthy and solid |
| 15 | WOOD MOISTURE | fresh (u= 30 % - 40 %) |
| 16 | ROT, DEAD KNOTS, LOOSE KNOTS | on visible side up to 5 mm diameter allowed (only 1 pcs/meter), on backside up to 10 mm diameter allowed (only 3 pcs/meter) |
| 17 | BURL | to a minor degree allowed |
| 18 | PATCHES | - |
| 19 | CRACKS | allowed up to 200 mm length and 3 mm width (only on backside), fissures (width �?� 1 mm) in a minor degree are allowed on all sides |
| 20 | KNOTS | knots with diameter �?� 6 mm can be ignored; diameter �?� 30% of board width and 60% of edge width (measured perpendicular to grain direction); only single knots with max. diameter; great knots should have �?� 10 mm distance from edge; accumulation of small knots (diameter �?� 10 mm) is allowed; sum of knot diameters must not exceed 40 mm/m on visible sides, must be healthy and sound |
| 21 | INSECT ATTACK | not allowed |
| 22 | BARK | not allowed |
| 23 | GRAIN SLOPE | �?� 15 % (150 mm/m); grain must not leave the board within 1 m length |
| 24 | TWIST/SPIRAL GRAIN | to a minor degree allowed |
| 25 | DEBARKING QUALITY | - |
| 26 | SAW QUALITY | - |
| 27 | PLANING QUALITY | smooth and even surface, no sawn or burned face, no tear offs deeper than 1 mm, face defects may be repaired by sanding (up to 2 mm depth); backside: minor planing defects allowed, insular burned surface and unplaned surface are allowed,defects up to 1 mm depth are allowed within 30% of backside surface |
| 28 | SANDING | on request |
| 29 | CHAMFER | Real 3 mm chamfer on all longitudinal edges, deviation of 1 mm may appear |
| 30 | PROFILING | on request |
| 31 | CROSSCUTTING | clean and rectangular (accuracy of 0,5% (0,5 mm/100 mm)) |
| 32 | WARP | Max 15 degree deviation allowed |
| 33 | DEVIATION OF STRAIGHT LINE (BOW) | Max. 10 mm per running meter in each direction, max 1/3 of width in total |
| 34 | DIMENSION TOLERANCE | Max 1% in width, 2% in thickness, 0,2% in length |
| 35 | CHARACTERISTIC BENDING STRENGTH | - |
| 36 | TIP GAP | - |
| 37 | ORIENTATION OF FINGERS | - |
| 38 | LENGTH OF FINGERS | - |