On 1 August 2011, the Department of Building and Housing (DBH) announced changes to the B1 Structure and E2 External Moisture Building Code documents in Building Controls Update Bulletin No. 116. The changes to the Structure documents include the referencing of NZS 3604:2011 Timber-framed buildings, which was published in February 2011.
The Department's changes take effect immediately with a transition period through to 31 January 2012. During the transition period, both NZS 3604:1999 and NZS 3604:2011 will be Acceptable Solutions. From 1 February 2012, only NZS 3604:2011 will apply.
To read Building Controls Update Bulletin No. 116 and the Department's questions and answers on the changes, follow this link: http://www.dbh.govt.nz/bc-update-116.
Summarised from the Department of Building and Housing's Building Controls Update Bulletin No. 116, 1 August 2011.
NZS 3604:2011 questions and answers updated
Standards New Zealand has updated questions and answers for NZS 3604:2011 Timber-framed buildings in light of the Department of Building and Housing's changes to Structure and External Moisture Building Code documents, announced on 1 August 2011.