Standard
UPDATE AVAILABLE
AS/NZS 1604.4:2012
[Superseded]Specification for preservative treatment, Part 4: Laminated veneer lumber (LVL)
Specifies requirements for preservative treatment of laminated veneer lumber (LVL) for protection against decay or insect attack.
Published: 26/11/2012
Pages: 26
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Definitions
1.5 Timber preservatives
1.6 Product requirements
1.7 Hazard class
1.8 Preservative treatment
1.8.1 General
1.8.2 ‘Text deleted’
1.8.3 Penetration and retention compliance
1.8.4 ‘Text deleted’
1.8.5 ‘Text deleted’
1.8.6 Branding
1.9 Use in New Zealand
2 Hazard classes H1 and H1.2
2.1 Scope of section
2.2 Hazard class H1
2.2.1 General
2.2.2 Preservative penetration requirement
2.2.3 Preservative retention requirement
2.3 Hazard class H1.2
2.3.1 General
2.3.2 Preservative penetration zone
2.3.3 Preservative retention requirement
3 Hazard class H2
3.1 Scope of section
3.2 Preservative penetration zone
3.2.1 General use
3.2.2 Outer surfaces treated laminated veneer lumber (LVL) to be used south of the Tropic of Capricorn
3.3 Preservative retention requirement
4 Hazard class H3
4.1 Scope of section
4.2 Preservative penetration zone
4.3 Preservative retention requirement
4.4 Use of TBTN and TBTO
5 Hazard class H4
5.1 Scope of section
5.2 Preservative penetration zone
5.3 Preservative retention requirement
6 Hazard class H5
6.1 Scope of section
6.2 Preservative penetration zone
6.3 Preservative retention requirement
7 Marking
7.1 Legible marking
7.2 Marking information
7.2.1 Hazard classes H1 to H5
7.2.2 Hazard class H3
7.3 ‘Text deleted’
7.4 Warning label—Envelope penetration
7.5 Use restriction
7.6 Compliance determination
Appendix A
Appendix B
B1 Scope
B2 Sampling preservative-treated LVL product
B3 Preparation of test sample
B4 Penetration determination
Appendix C
C1 Preservatives
C2 New preservatives
Appendix D
Amendment control sheet
AS/NZS 1604.4:2012
Amendment no. 1 (2017)
Revised text
Cited references in this standard
NZS 3640
Chemical preservation of round and sawn timber
NZS 3602
Timber and wood-based products for use in building
AS/NZS 2843
Timber preservation plants (all Parts)
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