Table of Contents

1 Scope

2 Normative References

3 Definitions

4 Symbols

5 Requirements

5.1 General

5.2 Timber

5.2.1 Species

5.2.2 Knots And Fissures

5.2.3 Wane Or Edge Damage

5.3 Adhesives

5.4 Characteristic Values

6 Manufacturing Requirements

6.1 Production Conditions

6.2 Timber

6.3 Adhesives Application

6.4 Assembly And End Pressure

6.4.1 Assembly

6.4.2 End Pressure

6.5 Preservative And Flame Retardant Treatments

7 Quality Control

7.1 Factory Production Control (Internal Control)

7.1.1 General

7.1.2 Sampling Of Finger Joints

7.1.3 Testing Of Finger Joints

7.1.4 Compliance

7.2 Organization Of Factory Production Control

7.2.1 Responsibility And Authority

7.2.2 Management Representative For Factory Production Control

7.2.3 Management Review

7.3 Documentation Of The Quality Control Systems

8 Initial Determination Of Joint Strength—Qualification Testing

8.1 General

8.2 Materials

8.3 Preparation Of Specimens

8.4 Procedure

9 Inspection And Testing

9.1 General

9.1.1 Action In Case Of Non-Conformity

9.1.2 Control Of Non-Conformity Finger Joints

9.2 The Inspection Body For Certification (See 14.3 And 14.4 Iso/Iec Guide 2)

10 Marking

Appendices

A Adhesives (Normative)

B End-Joint Bending Test (Normative)

C End-Joint Tension Test (Normative)

Tables

1 The Factors Ka And Kb

A1 Type Of Adhesive For Given Service Conditions

Figures

1 Typical Profile Of Finger Joint Showing Finger Length L, Pitch P, Tip Width Bt, And Tip Gap Lt

2 Minimum Distance From The End Of The Timber To A Knot

3 Minimum Distance For A Cross-Cut To Remove A Knot

4 Cross Section Of Timber With Wane

5 Maximum Diagonal Of Wane

B1 Acceptable Bend Test Configurations

C1 Tension Test Details