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 a higher percentage of sapwood, multiple healthy knots, end cracks twice the width of the piece. Vicious knots larger than 30 mm in diameter, the actual heart and the clogged shell are rehabilitated. Insect holes and rot are not accepted. Density 700 - 750 kg / m3.
Aceasta calitate accepta un procent mai mare de alburn, noduri sanatoase multiple, crapaturi de capat de doua ori cat latimea piesei.
Nodurile vicioase mai mari de 30 mm in diametru, inima propriu zisa si coaja infundata se bonifica .
Nu se accepta gauri de insecte, si putregai.
Densitate 700 - 750 kg / m3.