The document specifies the methods of measuring features taken into account in the visual grading of sawn, processed and round timber for appearance or to assess its mechanical properties. It does not apply to the strenght grading of structural timber (see EN 518 and EN 519).#,,#
DIN EN 1310:1997 history
2018DIN EN 1309-3:2018 Round and sawn timber - Methods of measurements - Part 3: Features and biological degradations; German version EN 1309-3:2018
1997DIN EN 1310:1997 Round and sawn timber - Method of measurement of features; German version EN 1310:1997