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 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.
"Standard" quality is recommended for those areas where economic efficiency has priority. It is ideal for making stairs, doors, long elements, etc. 1-2 healthy knots, end cracks as wide as the width of the piece and mirrors are accepted.
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.