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Building Codes & Building Standards for Timber Construction

A review of standards and codes applicable in Australia for the design of timber construction.

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Standards & Codes

This section contains information on timber design and construction compliance related to fire, acoustics, building classes, environmental impact, thermal performance and quality assurance. Additionally, it specifically covers MRTFC (Multi-Residential Timber Framed Construction) and AS 1684, a four-part Australian Standard covering compliance for timber framing.


AS 1684.1 sets out the basis for calculating timber sizes and forces to be resisted by tie-down and bracing. It provides a standard reference for designers and product manufacturers to produce compatible engineering solutions. Details of the standards must be...

AS 1684.2 covers design and construction details for non-cyclonic areas. Four wind classifications are covered: N1, N2, N3 and N4 (previously 28, 33, 41 and 50 m/s). 

Amendments

Due to wide use of the Standard and new residential designs not covered by the Standard,...

AS 1684.3 is similar to Part 2 except that it covers design and construction details for cyclonic areas. Wind classifications covered are C1, C2 and C3 (previously 41C, 50C and 60C). Details of the standards must be obtained from...

AS 1684.4 provides simpler design procedures than those contained in Part 2, for N1/N2 wind classifications only. On some situations it will provide more conservative solutions. The scope of Part 4, including house geometry and range of stress grades is also...

Timber offers a range of environmental benefits as a construction material. Good design practice ensures that timber's thermal and energy-efficient properties are maximised.

The following resources offer some guidelines and information regarding environmental considerations and timber...

Clause C1.10 of the Building Code of Australia (BCA) requires any linings, materials or assemblies in a Class 2 to 9 building used for flooring, floor covering and wall and ceiling lining materials to comply with Specification C1.10 - Clause 3, 4 and 6. All other materials (i.e. whatever holds...

This specification sets out the requirements in relation to fire hazard properties of materials and assemblies used in Class 2 to 9 buildings other than floor, wall and ceiling covering and linings. Specification C1.10 - Clause 7 places limits on the Spread of Flame Index and Smoke...

Wall and ceiling linings are required to meet different specified performances for different building types, location within the building and whether or not it is sprinkled. Material used for wall and ceiling linings is required to have a Group Number of 1, 2 or 3...

From BCA fire safety provisions through to building in bushfire-prone areas, there are a range of considerations when it comes to fire and designing and building with timber.

The following resources provide guidelines and information on fire safety provisions and regulations for...

This page contains links to fire test reports relating to timber flooring, lining and fire-rated timber building elements (systems) to support the use of timber products. Typically, these reports relate to requirements of the National Construction Code – Building Code of Australia.

The...

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