BS 4978:1988

Specification for softwood grades for structural use

Published:

30 Nov 1988

•

Withdrawn:

15 Aug 1996

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Product Details

Descriptors

Sawn timber

Certification (approval)

Defects

Inspection

Wood defects

Test equipment

Dimensions

Deformation

Laminates

Acceptance (approval)

Inspection equipment

Visual inspection (testing)

Approval testing

Modulus of elasticity

Wood grain

Letters (symbols)

Quality control

Softwoods

Machine tools

Construction materials

Structural timber

Marking

Formulae (mathematics)

Flaws

Scribers

Planed timber

Wood

Grading (quality)

Knots (wood)

Grades (quality)

ICS Codes

79.040 Wood, sawlogs and sawn timber

Committee

B/518

International relationships

Not equivalent to:

ISO 1030

ISBN

0 580 17075 6

Publisher

BSI