Grading Guide

Deepening (ledge) or scratch on a surface

No

Deepenings with dia <=20 mm, depth <=0.3 mm up to 2 deepenings/ m² or scratches of length <=200 mm up to 2 scratches/m²

Paraffin and oil stains

No

<=1 cm² of area up to 2 stains/ m²

Dust-gum stains

No

<= 2% of area

Splitting of the edge

No single splittings (by depth no more than 3 mm and by extent no more than 15 mm) are not taken into account

allowed in tolerance on length (width)

Painting of corners

No with length <=3 mm on the edge are not taken into account

allowed in tolerance on length (width)

Defects of sanding

No

<= 10% of area (of every surface)

Separate inclusions of bark particles on a surface no more than

3 mm

10 mm

Separate inclusions of floater:

10-15 mm up to 5 pieces/m²

16-35 mm up to 5 pieces/m²