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BS 4978:1988 | 30 Nov 1988 | BSI Knowledge
Standard
Withdrawn
BS 4978:1988
Specification for softwood grades for structural use
Published:
30 Nov 1988
•
Withdrawn:
15 Aug 1996
Overview
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References
History
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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