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By Angela Liu, Roger Shelton – 1 April 2021, Build 183
While the bracing requirements in NZS 3604:2011 Timber-framed buildings suit most buildings, the distribution rules of clause 5.4.7 are too lenient for some complex designs. During earthquakes, some Building Code-compliant buildings may move or flex, causing extensive damage. BRANZ research found which buildings are affected and suggests changes.
By Peter McDowall – 1 February 2017, Build 158
Recent BRANZ research has quantified one aspect of an important but often overlooked factor for achieving a dry home – occupant use.
By Dianne Johnson, Peter Lalas, John Sutherland and Karl Jones – 1 December 2014, Build 145, Feature article
A suggested risk matrix for steel and concrete buildings up to 15 storeys could inform decision making in façade component choice and installation for some buildings that fall outside the scope of E2/AS1.
By Mark Bassett – 1 October 2013, Build 138, Feature article
A BRANZ program has the answers for those keen to understand how vents in cavity walls help keep walls dry. By using this knowledge, keeping it simple and following the 4Ds – drying, deflection, drainage and durability – walls will be weathertight.
By Greg Baker – 1 April 2012, Build 129
In a New Zealand first, a fire engineering computer program being developed by BRANZ will automate design fire generation and change current design practices with their inherent inconsistencies.
By Richard Hunt and Hans Gerlich – 1 October 2011, Build 126
Many Canterbury houses have lost stiffness and strength following the earthquakes. Repairs to gypsum plasterboard linings need to restore this to prevent future small events repeating the cracking and damage.
By Greg Overton – 1 April 2010, Build 117
BRANZ is expanding on previous weathertightness research with a new multi-disciplinary programme looking at how buildings manage contaminants, including moisture.
By Trevor Pringle – 1 August 2009, Build 113, Feature article
The selection and maintenance of building elements and materials is one situation where out of sight should not be out of mind. In many situations, corrosion and deterioration may be occurring that is difficult to detect or see.
By Mark Bassett – 1 February 2009, Build 110, Feature article
Recent BRANZ research has shed new light on how evaporative drying in wall cavities depends on cavity dimensions, vent sizes and climate.
By Mike Reed, Jason Wanden – 1 June 2007, Build 100, Feature article
The BRANZ Appraisal process can verify that a wall cladding system is compliant and will be fit for purpose.
