BRANZ weathertightness poster
In the August/September 2002 edition of Build you would have received the BRANZ weathertightness poster. This column takes a detail from the poster and provides a ‘good practice’ solution to it.
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1 October 2003, Build 78
In the August/September 2002 edition of Build you would have received the BRANZ weathertightness poster. This column takes a detail from the poster and provides a ‘good practice’ solution to it.
By Stephan Rupp – 1 February 2016, Build 152, Feature article
Twenty years ago, roofs didn’t need to be specifically ventilated. Today, things are different. That’s because 21st century homes are more airtight, and if they aren’t aired, condensation may form.
By Trevor Pringle – 1 August 2012, Build 131
Another common feature of many leaky buildings that can be worth changing is the flush gable or the roof gable hidden behind a parapet.
By Stephan Rupp, Cara Askew – 1 February 2017, Build 158, Feature article
BRANZ has been measuring moisture levels in a school’s classrooms. This information is providing a sound basis for understanding the indoor climate and designing moisture-safe long-span roofs in schools.
By Trevor Pringle – 1 August 2012, Build 131
A common feature of many leaky buildings is that they were constructed without eaves, usually with walls terminating with a parapet. Changing this design detail can greatly enhance a building’s weathertightness.
By Trevor Pringle – 1 December 2016, Build 157, Feature article
Continuing our alphabetical guide to the science of building, D is for two crucial functions, drainage and drying.
By Des Molloy – 1 December 2004, Build 85
New Zealand has a highly variable, and volatile, climate. Early this year, the lower half of the North Island experienced unseasonal heavy rainfall, causing widespread floods. Des Molloy checked out the repairs on some affected homes.
By Dr Manfred Plagmann – 1 August 2016, Build 155
Some roof designs, such as skillion roofs, must include ventilation to manage roof moisture. Recent BRANZ research provides advice on the best place for effective vent openings in low wind zones.
By David Bullock – 1 February 2009, Build 110, Feature article
A flashing is a folded length of metal that provides a weathertight cover at junctions in and between walls and roofs. Getting them right is a good start towards constructing a weathertight building.
By Malcolm Cunningham – 1 December 2011, Build 127, Feature article
Recently, several cases of an insidious new form of thermal bridging have been seen. Aggravating factors have been identified that contributed to the problem, so there are now lessons to be learnt to avoid this on other buildings.