This grade accepts a higher percentage of sapwood, multiple sound knots, end cracks twice the width of the piece.
Bad knots larger than 30 mm in diameter, proper heart and sunken shell are graded .
Insect holes and rot are not accepted.
Density 700 - 750 kg / m3.
This quality accepts sapwood, multiple even unhealthy knots, cracks on the entire surface of the timber. Insect holes and rot are not accepted. Density 700 - 750 kg / m3.