Statement of proposals for amending Acceptable Solutions and Verification Methods June 2019 update

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Submissions due: 05 April 2019, 5pm

We are seeking your comment on proposals to amend specific Acceptable Solutions and Verification Methods for the June 2019 Building Code update. This is the second public consultation under the new biannual update programme.

The Ministry of Business, Innovation and Employment (MBIE) seeks your views on proposals to amend the following Acceptable Solutions and Verification Methods relating to Building Code clauses B1 Structure, B2 Durability, E2 External moisture, G4 Ventilation, G12 Water supplies and G13 Foul water:

  • B1/VM1, B1/AS1
  • B2/AS1
  • E2/VM2
  • G4/AS1
  • G12/VM1, G12/AS1, G12/AS2
  • G13/AS1, G13/VM2, G13/AS2, G13/AS3.

The most significant proposals are:

  • introducing a means of testing claddings up to 25 metres in height
  • requiring mechanical ventilation in certain areas in housing
  • a non-specific design standard for light steel framing in low-rise buildings
  • revoking Simple House Acceptable Solution and incorporating its information on expansive soils into Acceptable Solution B1/AS1.

How to make a submission

Please send your submission before 5pm on 5 April 2019. Please include your name, or the name of your organisation, and contact details. You can make your submission by:

Building Performance and Engineering Team
Ministry of Business, Innovation and Employment
PO Box 1473
Wellington 6140
New Zealand

The consultation document includes questions you may like to respond to in your submission. These questions are listed in full in the submission form. Please note that your submission does not need to answer all of these questions.

If you have any questions about the submission process, please email them to


Last updated: 11 March 2019