School indoor moisture
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.
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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 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 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 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 Dr Manfred Plagmann, Stephan Rupp – 1 December 2015, Build 151, Feature article
Recent BRANZ research has confirmed how moisture gets into roof spaces and highlighted the critical role ventilation has in removing it.
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 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 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.
By Greg Burn – 1 August 2010, Build 119
When it comes to weathertightness, Building Code Clause E2 External moisture and the compliance document E2/AS1 are the critical documents for any designer.
By Philip O’Sullivan – 1 February 2009, Build 110, Feature article
Maintaining the architectural integrity of a building while improving its performance is just one of the challenges of weathertightness remediation.