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Part 3.4.3 Timber Framing

Acceptable construction manuals

Performance Requirement P2.1.1 is satisfied for a timber frame if it is designed and constructed in accordance with the following, as appropriate:


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AS 1684.2.


AS 1684.4.

Explanatory information:

The weight of roof or ceiling insulation, particularly if additional ceiling insulation is used for compliance with the energy efficiency provisions, needs to be considered in the selection of plasterboard, plasterboard fixings and building framing.

State and Territory Variation

In Queensland after insert Qld as follows:

Qld Timber Species


Timber Species

In addition to subclauses Open link in same page(a) to Open link in same page(h) above, timber used for structural purposes must be a species scheduled for the appropriate use in Schedules A, B or C of Book 2 of the "Queensland Government, Department of Agriculture, Fisheries and Forestry - Construction timbers in Queensland, Book 1 and Book 2: Properties and specifications for satisfactory performance of construction timbers in Queensland - Class 1 and 10 buildings (Houses, carports, garages, greenhouses and sheds)".

Explanatory information:
  1. Design requirements for other materials used in combination with timber framing, including the use of concrete floors, heavy steel support beams etc. are described in Open link in same pagePart 3.11 — Structural design manuals; or Open link in same pagePart 3.4.4 — Structural steel members.
  2. For additional construction requirements in Open link in same pagehigh wind areas (i.e. >N3), see Open link in same pagePart 3.10.1.