Selecting timber framing
A designer needs to select the right timber for their design. This means choosing the correct level of treatment for the situation and the right grade for the spans and loadings nominated.
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By Anna Smith – 1 October 2006, Build 96
A designer needs to select the right timber for their design. This means choosing the correct level of treatment for the situation and the right grade for the spans and loadings nominated.
By Roger Shelton – 1 February 2008, Build 104
Calls to the BRANZ Helpline indicate that there is still confusion about the correct use of bottom plate anchors with concrete floor slabs.
By Dirk Stahlhut – 1 April 2009, Build 111, Feature article
A study of wood decay in leaky buildings found high fungal biodiversity and varying effectiveness of current preservative treatments.
By Russell Black – 1 October 2004, Build 84
This series of articles discusses timber treatment issues in relation to the BRANZ timber treatment poster. The topic under discussion this time is enclosed balconies and colour tinting.
By Tom Edhouse – 1 June 2014, Build 142
NZS 3604:2011 Timber-framed buildings sets out how to size rafters in table 10.1. The BRANZ technical helpline has received queries on doing this, so let’s step through some examples.
By Andrew King – 1 February 2003, Build 74
There is much discussion as to how ‘strong’ timber is today and it may be time to reassess how timber is graded. Andrew King looks at the two main methods of grading timber.
By Jeff Parker – 1 April 2019, Build 171, Feature article
A new guide for professionals and specifiers looks at how to design timber buildings for fire safety, including Building Code requirements.
By David Hindley – 1 April 2022, Build 189, Feature article
World-class research, award-winning designs and a new mindset are all helping New Zealand manufacturers, architects and designers take a fresh approach to those most fundamental of building materials – concrete, steel and timber.
By Eddie Bruce – 1 December 2003, Build 79
When preservative-treated timber is cut, shaped, planed or drilled, the newly revealed timber may not be protected by preservative and end grain may be exposed. Additional treatment may be needed to protect the cut ends.
By Russell Black – 1 June 2004, Build 82, Feature article
Various activities are underway in the building industry in response to weathertightness problems and some steps have now been taken. One is the recent revision of the Acceptable Solution for B2 Durability. A key issue in this revision has been setting minimum levels of timber treatment for selected parts of a building through reference to the (also) revised standard NZS 3602. This feature discusses some important consequences of these revisions.