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About This Item


Full Description

The objective of this Standard is to provide a method for determining the fire resistance for structural adequacy and insulation of sawn timber, timber in pole form, plywood, laminated veneer lumber (LVL), and glued-laminated structural timber elements as an alternative to the test method specified in AS 1530.4.

Document History

  1. AS/NZS 1720.4:2019


    Timber structures, Part 4: Fire resistance of timber elements

    • Most Recent
  2. AS 1720.4-2006

    Timber structures - Fire resistance for structural adequacy of timber members

    • Historical Version
  3. AS 1720.4-1990

    Timber structures - Fire-resistance of structural timber members

    • Historical Version