Pin knots (sound intergrown knots of no more 3 mm diameter)

Permitted

Sound lights and/or dark knots

Up to 25 mm, cumulative diameter does not exceed 60 mm/m2 Knots may have slight splits up to 0.5 mm

Unsound adhering knots

Not permitted

Other knots and holes

Up to 6 mm, cumulative diameter does not exceed 25 mm/m2, repaired

Abnormalities due to insects

Diameter of 3 mm vertically to the plane of panel, up to 10 per m2, repaired

Open splits and checks

Up to 2 mm and of an individual length 200 mm, up to 1 per meter of panel width, repaired

Closed splits and checks

Up to an individual length 200 mm, up to 2 per meter of panel width, repaired

Irregularities in the structure of the wood

Permitted

Stains from manufacturing (strips)

Prmited up to 10% of surface

Curly grain

Permitted

Discoloration and colored streaks

Up to 15% of the panel surface

Brown (Not rot)

Up to 3% of surface

Inserts

Up to 8 pcs

Open joints

Up to an individual width up to 2 mm and of an individual length 200 mm, up to 1 per meter of panel width, repaired

Dents and bumps

Very slight in height or depth up to 2 cm2, up to 3 defects per panel

Roughness

Slight up to 10 cm2/m2, up to 3 defects per panel

Sanding through

Up to 10 cm2 per m2

Unsanded areas

Up to 5 mm from the edge

Glue penetration

Up to 5% of the panel surface

Defects at the edges

Up to 5 mm from the edge, not in all length, repaired

Delamination

Not permitted

A part of bark or bast remaining on face veneer area

Not permitted

9 mm

115 pcs

3,234

10

1150 pcs

32,340

12 mm

87 pcs

3,263

10

870 pcs

32,630

15 mm

70 pcs

3,281

10

700 pcs

32,810

18 mm

57 pcs

3,206

10

570 pcs

32,060

21 mm

50 pcs

3,281

10

500 pcs

32,810

24 mm

43 pcs

3,225

10

430 pcs

32,250

27 mm

38 pcs

3,206

10

380 pcs

32,060

30 mm

35 pcs

3,281

10

350 pcs

32,810