AS 5604:2022


Timber – Natural durability ratings

Published by Standards Australia, 12/23/2022


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AS 5604, 3rd, 2022 – Timber – Natural durability ratings

AS 5604:2022 provides natural durability ratings for timber species used by producers, specifiers,and users of timbers products, in order to provide a comparison of the expected performance of untreated timber against biological hazards.

General Product Information:

Committee TM-012
Purchase Note All current amendments available at time of purchase are included with the purchase of this document
Document Type PDF
ISBN 978 1 76139 012 8
Pages 28
Document Language English
Publisher Standards Australia
Status Current


Table of cotents

1 Scope
2 Normative references
3 Terms and definitions
4 Lyctid susceptibility
5 Termite resistance
6 Natural durability and marine borer resistance classes
Appendix A
A.1 General
A.2 Key to Table A.1
A.3 Notes to Table A.1
A.3.1 Column 1 — Standard common name and scientific/botanical name
A.3.2 Column 2 — Lyctid susceptibility of sapwood
A.3.3 Column 3 — Termite resistance of heartwood
A.3.4 Column 4 — Natural durability class of heartwood
A.3.5 Column 5 — Marine-borer resistance of heartwood
A.4 Natural durability ratings of timber species
Appendix B
B.1 General