BS 5756:2007+A2:2017

This standard BS 5756:2007+A2:2017 Visual strength grading of temperate hardwood. Specification is classified in these ICS categories:

• 79.040 Wood, sawlogs and sawn timber

This British Standard specifies a method of strength grading temperate hardwood visually for structural use.

The permissible limits of characteristics for temperate hardwoods are specified for two visual strength grades for large size timber, designated “Heavy Structural Temperate Hardwood” (THA and THB), and two visual strength grades for smaller size timber, designated “General Structural Temperate Hardwood” (TH1 and TH2).

This British Standard applies to temperate hardwoods, graded for use in the United Kingdom.