{{ propApi.closeIcon }}
Our industry
Our industry $vuetify.icons.faArrowRight
Economic research & forecasting Economics Housing outlook Economic reports & data Tailored market research Advocacy & policy Advocacy Policy priorities Position statements Submissions News and inspiration Industry news Member alerts Media releases HOUSING Online
Business support
Business support $vuetify.icons.faArrowRight
Become an apprentice host Hire an apprentice Why host a HIA apprentice? Apprentice partner program Builder & manufacturer program Industry insurance Construction legal expenses insurance Construction works insurance Home warranty insurance Tradies & tool insurance Planning & safety solutions Building & planning services How can safety solutions help you? Independent site inspections Solutions for your business Contracts Online HIA Tradepass HIA SafeScan Advertise jobs Trusted support & guidance Contracts & compliance support Professional services Industrial relations Member savings Toyota vehicles The Good Guys Commercial Fuel savings See all
Resources & advice
Resources & advice $vuetify.icons.faArrowRight
Building it right Building codes Australian standards Getting it right on site See all Building materials & products Concrete, bricks & walls Getting products approved Use the right products for the job See all Managing your business Dealing with contracts Handling disputes Managing your employees See all Managing your safety Falls from heights Safety rules Working with silica See all Building your business Growing your business Maintaining your business See all Other subjects COVID-19 Getting approval to build Sustainable homes See all
Careers & learning
Careers & learning $vuetify.icons.faArrowRight
A rewarding career Become an apprentice Apprenticeships on offer Frequently asked questions Study with us Find a course to suit you Qualification courses Learning on demand A job in the industry Get your builder's licence Continuing Professional Development (CPD) Find jobs
HIA community
HIA community $vuetify.icons.faArrowRight
Join HIA Sign me up How do I become a member? What's in it for me? Mates rates Get involved Become an award judge Join a committee Partner with us Our initiatives HIA Building Women GreenSmart Kitchen, bathroom and design hub Get to know us Our members Our people Our partners Support for you Charitable Foundation Mental health program
Awards & events
Awards & events $vuetify.icons.faArrowRight
Awards Awards program People & Business Awards GreenSmart Australian Housing Awards Awards winners Regional Award winners Australian Housing Award winners 2023 Australian Home of the Year Enter online Industry events Events in the next month Economic outlook National Conference Events calendar
HIA products
HIA products $vuetify.icons.faArrowRight
Shop @ HIA Digital Australian Standards Contracts Online Shipping & delivery Purchasing T&Cs See all Products Purchase NCC 2022 Building codes & standards Economic reports Hard copy contracts Guides & manuals
About Contact Newsroom
$vuetify.icons.faTimes
$vuetify.icons.faMapMarker Set my location Use the field below to update your location
Address
Change location
{{propApi.title}}
{{propApi.text}} {{region}} Change location
{{propApi.title}}
{{propApi.successMessage}} {{region}} Change location

$vuetify.icons.faPhone1300 650 620

AS 4654.2 Waterproofing membranes for above ground use - Part 2: Design and installation

An overview of Australian Standard AS 4654.2 which provides designers, builders, waterproofers and manufacturers with the requirements for the design and installation of external waterproofing membrane systems applied to roofs, decks, balconies and planter boxes in buildings.

Overview of the Standard 

AS 4654.2 sets out the requirements for the design and installation of waterproofing membranes for above ground use associated with external waterproofing membrane systems applied to roofs, decks, balconies and planter boxes in buildings.

What does it include?

AS 4654.2 is broken into 2 sections consisting of:

  • Section 1 – provides the scope and definitions that apply to this Standard
  • Section 2 – is divided into 16 parts and deals with the design and installation of external waterproofing membrane systems including service conditions, substrate requirements, membrane placement and location, curing, treatment at door and window openings, movement control, drainage and overflows.

This standard also contains 2 informative appendices consisting of:

  • Appendix A – (informative) Vertical upward termination heights – This appendix provides the minimum vertical termination height of the membrane where the membrane is to prevent water entry.
  • Appendix B – (informative) Maintenance – specifies that where visible the waterproofing system should be inspected on a regular basis for evidence of deterioration.

Is the Standard referenced in NCC or other legislation?

The standard is referenced in both NCC Volume One and Two and provides Deemed-to-Satisfy external waterproofing requirements for buildings to satisfy Performance Requirements FP1.4 in Vol One and P2.2.2 in Volume Two.

Who is the Standard for?

This standard’s primary users are for builders, waterproofing contractors, designers, building certifiers and surveyors, tilers)

Related Australian Standards

  • AS 4654.1 Waterproofing membranes for above ground use – Materials
  • AS 3740 Waterproofing of internal wet areas
  • AS 1684 Residential timber framed construction series
  • AS/NZS 3500 Plumbing structures and drainage Part 3 Stormwater drainage

Related HIA information sheets

Getting a copy of the Standard

An electronic copy of this Australian Standard can be purchased through the Digital Australian Standards webpage.

Share with your network:
More articles on:
{{ tag.label }} {{ tag.label }} $vuetify.icons.faTimes
Find the latest expert advice, guides and much more!

You may consider buying

AS 3740:2021 Waterproofing of domestic wet areas

This Standard set out minimum requirements for the materials, design and installation of waterproofing for domestic wet areas. NCC 2022 referenced.

AS 3740-2010 Waterproofing of domestic wet areas

This Standard set out minimum requirements for the materials, design and installation of waterproofing for domestic wet areas.

AS 3958.1-2007 Ceramic tiles - Guide to the installation of ceramic tiles

This Standard provides guidance on the preparation of the background and the fixing of floor and wall tiles and mosaic tiles. It also provides information on the application of tiles in swimming pools, gradients of floors, screeds...

AS 4200.2:2017 Pliable building membranes and underlays, Part 2: Installation

This Standard sets out requirements for the installation of pliable building membranes (also known as ‘sarking’ or ‘underlay’), when used either independently or as a facing to other materials, such as insulation materials, for an...

AS 4654.2-2012 Waterproofing membranes for external above-ground use, Part 2 Design-install

This Standard sets out requirements for the design and installation of above-ground external waterproofing membranes for use in buildings and structures for example roofs and balconies and is also suitable for landscaped areas.

AS 4200.1:2017 Pliable building membranes and underlays, Part 1: Materials

This Standard sets out requirements for materials used as pliable building membranes (also known as ‘sarking’ or ‘underlay’), when used either independently or as a facing to other materials, such as insulation materials, for any ...

AS 4654.1-2012 Waterproofing membranes for external above-ground use, Part 1: Materials

This Standard sets out the requirements for waterproofing membranes that are used for external aboveground applications and installed in accordance with AS 4654.2.