{{ propApi.closeIcon }}
Our industry
Our industry $vuetify.icons.faArrowRight
Housing industry insights Economics Insights Data & forecasts Tailored research and analysis 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 HIA Insurance Services Construction works insurance Home warranty insurance Tradies & tool insurance Member perks Toyota vehicles The Good Guys Commercial Fuel savings See all Planning & safety solutions Building & planning services Safe Work Method Statements (SWMS) Solutions for your business Contracts Online Advertise jobs Trusted support & guidance Contracts & compliance support Industrial relations
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 Safety rules Working with silica See all Building your business Growing your business Maintaining your business See all Other subjects Getting approval to build Sustainable homes See all
Careers & learning
Careers & learning $vuetify.icons.faArrowRight
A rewarding career Become an apprentice Apprenticeships on offer How do I apply? Frequently asked questions Study with us Find a course to suit you Qualification courses Learning on demand Professional development courses A job in the industry Get your builder's licence Continuing Professional Development (CPD) Further your career 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 2024 Australian Home of the Year Enter online Industry events Events in the next month Economic outlook National Conference Events calendar
HIA shop
HIA shop $vuetify.icons.faArrowRight
Most popular products National Construction Code Vol 1 & 2 Waterproofing wet areas AS 3740:2021 HIA Guide to Waterproofing HIA Guide to NCC Livable Housing Provisions Top categories Building codes & standards Contracts & documents Guides & manuals Safety documents Signage For your business Contracts Online Digital Australian Standards Digital Resource Library Forecasts & data
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

Pliable building membranes and underlays

An overview of Australian Standard AS 4200.2 which 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.

Overview of the Standard

AS 4200.2 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 either water control, thermal control, vapour control or air control purposes.

What does it include?

AS 4200.2 is broken into 4 sections consisting of:

  • Section 1: Deals with what the standard covers, and the terms used in the standard, details on which standards are referenced within this document, guidance on terms and definitions and electrical safety warnings.
  • Section 2: Deals with vapour control membranes, air control membranes (air barriers), water control membranes, thermal control membranes and allowable use based on duty classifications. 
  • Section 3: Details with framed floors, full masonry floors and common requirements for roofs including metal sheet roofing, tiled roofing, solid masonry roofing and ceilings. It also deals with common requirements for walls including framed walls, cavity masonry walls and solid masonry/concrete walls.
  • Section 4: Details with thermal control, vapour control, air control, water control, hot flues, recessed luminaries, windows, roof windows, skylights and doors.

The Standard also contains 3 informative appendices consisting of:

  • Appendix A provides safety guidance for pliable building membrane installation.
  • Appendix B details durability.
  • Appendix C outlines protection against condensation.

Is the Standard referenced in NCC or Other legislation?

Yes, AS 4200.2 is referenced in both NCC Volumes One and Two providing Deemed-to-Satisfy requirements for selection and installation of for the installation of pliable building membranes.

Who is the Standard for?

The primary users of this standard are building designers, carpenters, cladding installers, roofers, building certifiers and surveyors, builders, supervisors and inspectors.

Related Australian Standards

  • AS 1562.1 Design and installation of metal roof and wall cladding
  • AS 2050 Installation of roof tiles
  • AS 3959 Construction of buildings in bushfire prone areas
  • HB 39 Installation code for metal roof and wall cladding

Related HIA Information Sheets

  • HIA resource on AS 1562.1 Design and installation of metal roof and wall cladding, Part 1: Metal
  • HIA resource on AS 2050 Installation of roof tiles
  • HIA resource on AS 3959 Construction of buildings in bushfire prone areas
  • HIA resource on HB 39 Installation code for metal roof and wall cladding

Getting a copy of the Standard

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

To find out more, contact HIA's Building Services team.

Email us

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 1562.1:2018 Design and installation of metal roof and wall cladding, Part 1: Metal

This Standard provides designers and installers with the minimum design requirements for correct and safe design and installation of sheet metal roof and wall cladding.

SA HB 39:2015 Installation code for metal roof and wall cladding

This Handbook provides information and guidelines on the selection, performance and installation of metal roof and wall cladding. Although the fixing details for roof drainage systems relate mainly to steel, though it can also be ...

AS 2050:2018 Installation of Roof Tiles

This Standard provides installers of roof tiles with specifications covering the placement and installation of roof tiles for use in domestic, commercial or light industrial applications.

AS 4576:2020 Guidelines for scaffolding

This Standard gives practical guidance for the training and certification of scaffolders, the preparation of sites for scaffolding, and the safe selection, supply, erection, alteration, dismantling, maintenance, inspection and use...