"Standard" quality is recommended for those areas where economic efficiency has priority. It is ideal for making stairs, doors, long elements, etc. Cracks on the end twice the width of the piece and smoothed knots are accepted. Density: 700 kg / m3
This timber has a uniform texture and colour.
The lumber is predominantly clean, but 1-2 sound knots, resin pockets and end cracks as wide as the width of the piece are acceptable.