SN EN 1310 : 1997

Foreword
1 Scope
2 Normative references
3 Definitions
4 Sawn and processed timber
    4.1 Knots
    4.2 Resin pocket
    4.3 Reaction wood
    4.4 Grain
    4.5 Rate of growth
    4.6 Bark pocket
    4.7 Sapwood
    4.8 Wane
    4.9 Fissure
    4.10 Warp
5 Round timber
    5.1 Knots
    5.2 Fissures
    5.3 Sweeps
    5.4 Ovality
    5.5 Taper
    5.6 Spiral grain
    5.7 Compression wood
    5.8 Rate of growth
    5.9 Double pith
    5.10 Sapwood
    5.11 Included sapwood
    5.12 Eccentric pith
    5.13 False heartwood
    5.14 Dry side
    5.15 Parasitic plant
    5.16 Carbonized wood
    5.17 Cancer
    5.18 Bird peck
    5.19 Other damage
    5.20 Tapping cut
    5.21 Foreign bodies

Defines methods for measurement of features included in the visual grading of sawn, processed and round timber for appearance or for assessment of its mechanical properties. Not applicable to the strength grading of structural timber. Applicable to hardwood and softwood sawn timber, square-edged and unedged, to processed and round timber, but not to tropical timber.