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BSI BS 4978:2007+A2:2017

Visual strength grading of softwood. Specification
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BSI BS 4978:2007+A2:2017

Visual strength grading of softwood. Specification

PUBLISH DATE 2017
PAGES 20
BSI BS 4978:2007+A2:2017

This British Standard specifies a methodology for the visual strength grading of softwood for structural use.

The permissible limits of characteristics are specified for two visual strength grades of softwood:

  • GS ‒ General Structural; and

  • SS ‒ Special Structural.

Text deleted

SDO BSI: British Standards Institution
Document Number 4978
Publication Date Nov. 30, 2017
Language en - English
Page Count 20
Revision Level 2
Supercedes
Committee B/518
Publish Date Document Id Type View
May 31, 2007 BS 4978:2007 Revision
Aug. 15, 1996 BS 4978:1996 Revision
Nov. 30, 1988 BS 4978:1988 Revision
June 1, 1979 BS 4978:1973 Revision
Nov. 30, 2017 BS 4978:2007+A2:2017 Consolidated