D Grade

All defects excluding are acceptable. Purpose: wooden haberdashery, small technical elements.

Technical specification

Front –all knots are acceptable without quantity limitation.

Back – all knots are acceptable without quantity limitation.

Cracks- cracks are acceptable without quantity limitation.

Red Heart- read heart is acceptable without quantity limitation.

Rot-touch of rot is acceptable up to 5% of the board’s surface.

Beech lumber, unedged, kiln dried, steamed.

Standard thickness: 26/32/38/50mm

Width: 50mm+

Length: 1500mm+