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AS2699 Series for Public Comment

February 26, 2019

The Australian Standards for built in components in masonry construction have been released as drafts for public comment. 
This three-part series covers the requirements for manufacture of masonry wall ties and durability requirements for connectors and accessories and lintels and shelf angles, The standard is used for construction in accordance with AS3700 (Masonry) and AS4773 (Masonry in Small Buildings).

The following changes have been made throughout all three parts:

  • Grade 304 stainless steel has been added as an option for use in R3 durability classifications
  • Information has been provided on the relationship of durability class to atmospheric corrosivity category (in line with the information provided in AS3700)
  • Durability criteria have been amended and aerosol penetrations levels have been removed
  • Salt spray test’ has been removed
  • Minimum requirements for test reports have been prescribed
  • A test to determine coating thickness of galvanised components have been added
  • Product conformity and purchasing guidelines have been included
  • Commentary has been added.

Additional changes to Part 1: Wall ties include:

  • Type A cavity wall ties and veneer wall ties are classified according to characteristic strength only
  • Previous editions of this Standard included Type B ties, which were specified in New Zealand only These have been removed from this edition of the Standard
  • All ties are classified for their corrosion resistance
  • Provisions are also included for remedial (retrofitted) ties.

Additional changes to Part 3: Lintels and shelf angles (durability requirements) include:

  • Information on lintel repair
  • Additional information on lintel marking
  • Introduced a method for determining duplex coating thickness.

The proposed changes may impact the way that products used in WA comply with the Building Code of Australia however as the AS2699 series are secondary referenced documents, only the version that existed at the time of publication of the primary document should be referred to. Thus any changes to AS2699 would not take effect under the BCA until AS3700 (2018) or AS4773 (2015) were revised again and those new editions referenced in the BCA.
Comments can be received until midnight on 23 April 2019 through the Standards Australia portal.

Alternatively provide your feedback to HIA via hia_technical@hia.com.au before 12 April 2019.