All Things Waterproofing Handbook – AS3740 & AS4654 Guide for Internal & External Waterproofing

Master Disclaimer – Waterproofing Handbook (Revision 3)

This Waterproofing Handbook (Revision 3) has been prepared as a general interpretative guide to AS 3740, AS 4654, and the National Construction Code (NCC), based on publicly available information, industry standards, and the author’s practical experience and understanding at the time of publication.

All content, including images, diagrams, and reference material, has been compiled and restructured from publicly available sources, including Australian Standards and NCC documentation, for the purpose of simplifying and relaying information as generally interpreted within the industry. This document does not reproduce standards in full and must not be relied upon as a complete or definitive source.

The information contained in this handbook represents general interpretation only and must not be taken as literal, prescriptive, or project-specific advice. It is intended strictly as a reference guide for industry understanding. It is not to be used as a primary teaching resource in any course, training program, or instruction not directly authorised or supported by the author.

This document does not constitute professional, engineering, or compliance advice. All users must independently verify all information and confirm compliance with the latest versions of relevant Australian Standards, NCC requirements, manufacturer specifications, and site-specific conditions. Final approval and validation must be obtained from qualified consultants, engineers, or relevant professionals prior to application.

No warranty or representation is given, whether express or implied, as to the accuracy, completeness, or suitability of the information contained in this handbook. The author and publisher accept no liability for any loss, damage, defect, non-compliance, or failure (including indirect or consequential loss) arising directly or indirectly from the use of, or reliance on, this document. All responsibility remains with the user.

This handbook is a controlled document and subject to ongoing updates and revisions. Future versions may modify, expand, or supersede the current content. It is the responsibility of the user to ensure they are referencing the latest revision.

This document is supplied for informational purposes only. Any fee associated with this handbook is strictly to cover production and distribution costs and does not constitute the provision of professional advice, certification, or consultancy services.

Feedback on the interpretations within this handbook is encouraged and may be incorporated into future revisions.