Old Code AS 1684-1992 versus New Code AS 1684-1999

The new Timber Framing Code AS 1684 Residential timber-framed construction supersedes AS 1844-1992, The National Timber Framing Code. The new Standard caters for a widening variety of materials and design conditions. The old Standard has been completely revised and new Standard consist now of four parts:

  •   Part 1 - Design criteria
  •   Part 2 - Non-cyclonic areas
  •   Part 3 - Cyclonic areas
  •   Part 4 - Simplified (Non-cyclonic areas)
  • The major revisions are:

    • Revised/new structural grades for timber (MGP grades included)
    • Provisions catering for open plan living (lager spans), wider openings and bigger     rooms.
    • Recognition of a wider range of high wind and cyclonic design
    • Special 'engineered' and fabricated timber products.

    Table 1

    "Old & New Code compared"
    AS 1684-1992
    AS 1684.4-1999
    Section
    Pages
    Section
    Pages
    Scope General
    1
    7
    1
    9
    Terminology and Definition
    N/A
    N/A
    2
    9
    Substructure
    2
    6
    3
    5
    Floor Framing
    3
    12
    4
    9
    Flooring
    5
    6
    Wall Framing
    4
    21
    6
    13
    Roof framing
    5
    14
    7
    22
    Bracing
    in Wall framing
    N/A
    8
    15
    Fixing requirements
    6
    8
    9
    13
    Appendixes
    F-Grades
    F-Grades +
    MGP-Grades

    The opposite Table1 compares the old Standard with the simplified Part 4 of the new Standard. Part 2 and Part 3 is more versatile; some additional calculations are needed mainly for load width, load area and wind-bracing.

    Please note that for the subject Timber Framing Code SIN 27741 (ABC105)
    AS 1684.2 Part 2 Non-cyclonic areas will be used. Buy the Looseleaf standard instead of the Hardcopy because it includes all amendments that have been made.

    Don't buy a second hand outdated Standard!  

    AS1684-2010 is the latest version of the Timber Framing Code