Overview of the Standard
This is a Standards Australia Handbook, and it provides information and basic guidelines on the selection, performance and installation of metal roof sheeting and wall cladding.
When utilised, the design and installation measures contained in this handbook will provide a weatherproof exterior and ensure that all rainwater is directed to the stormwater drainage system.
HB 39 is a companion document to AS 1562.1 Design and installation of metal wall and sheet cladding.
What does it Include?
HB 39-2015 is broken into 10 sections consisting of:
- Section 1 - provides the scope and purpose of the Handbook, a list of reference documents referred to in the document and some common terms and definitions
- Section 2 - this section provides information on material thickness, compatibility of materials, durability of steel and sealant selection and application.
- Section 3 - deals with maintenance and care of roof sheeting, site storage, temporary walkways, protection of sheets when cutting and the like
- Section 4 - deals with roof safety, the precautions that need to be taken when working on roofs including OH&S requirements.
- Section 5 – sets out the guidelines for the manufacture and fitting of internal and external gutters, downpipes, sumps and rainheads.
- Section 6 – provides guidance on the various methods of insulating metal roofs, including assessing the amount of insulation required and controlling condensation.
- Section 7 - deals with typical roof sheet profiles, wind forces on roofs, roof slope and pitch, end lapping, bull nosing and curving, mansard roofs and wall sheeting.
- Section 8 - deals with roof flashing and capping
- Section 9 - deals with Translucent roof sheeting and installation procedures
- Section 10 – provides information on ceiling components and roof extra in a building structure in both internal and external applications.
This handbook also and contains 2 informative appendices consisting of:
- Appendix A – This Appendix describes the major factors affecting corrosion rates of steel within seven atmospheric classifications, for various locations throughout Australia
- Appendix B – This Appendix provides information on roof and wall Insulated panels, their materials and performance, application and site storage and handling.
Is the Standard referenced in NCC or Other legislation?
The Handbook is not reference in the NCC however it may be referenced as a mandatory document or just as a guidance document in your State or Territory legislation.
Who is the Standard for?
Primary users of this Handbook are builders, plumbers, sheet roof and wall installers and manufactures.
Related Australian Standards
- AS 1562.1 metal wall and roof cladding
- AS 1684 Residential timber-framed construction series
- AS 3500.3 stormwater drainage
- SAA/SNZ HB 114 -1998 Guidelines for the design of eaves and box gutters
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.