Sawn timber. Appearance grading of hardwoods - Oak and beech
Sawn timber. Appearance grading of hardwoods - Oak and beech
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1 Scope This European Standard specifies the rules determining the quality of appearance graded sawn timber. It describes various grades of temperate hardwood rough sawn timber and regularized timber for which it lays down denominations and definitions. It also gives rules for composition and acceptance of batches. This standard gives minimum requirements for each grade classification. Sawn timber not included within limits given in this standard may be defined, if necessary, by contract specifications established on the basis of this standard. This standard applies to grading of green and dried timber . Characteristics apply at the time of grading. This standard does not apply to the strength grading of structural timber or to sawn timber for pallets. This standard is applicable to the following products:
a) Oak sawn timber, in the following categories:
Un-edged boards: individual selected pieces and boules;
Square edged timber and strips (not exceeding 41 mm thickness);
Baulks (sum of thickness + width ≥ 200 mm and thickness ≥ 80 mm).
Другие стандарты BS