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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Given the many design and statutory requirements for roofing, and the large range of claddings available in today’s market, how do we select the right roofing for a building?
Another common feature of many leaky buildings that can be worth changing is the flush gable or the roof gable hidden behind a parapet.
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.
A wall or roof underlay is very different from a vapour barrier. One lets moisture through and out of a building and the other doesn’t. Using the wrong one will trap moisture where you don’t want it.
The building materials used in roof and wall claddings continue to change over time. What are the current trends?
Prone to earthquakes and with abundant native timber, New Zealand was quick to adopt timber as a building cladding. It could even replicate stone with design elements such as quoins.
There is enough information around to make sensible judgements about cladding details as long as you keep four key principles in mind. With these in place, whatever the design, your cladding should be weathertight.
A recent trip to North America provided opportunities for further refining the BRANZ moisture research programme. Some of the papers presented at a building physics conference are highlighted here.
This fourth part of a series on the history of the Licensed Building Practitioners Scheme looks at some of the changes implemented in the building industry and the impacts these had.
- Build 186 : 1 October 2021 (1)
- Build 183 : 1 April 2021 (1)
- Build 132 : 1 October 2012 (1)
- Build 131 : 1 August 2012 (2)
- Build 109 : 1 December 2008 (2)
- Build 100 : 1 June 2007 (1)
- Build 99 : 1 April 2007 (1)
- Build 97 : 1 December 2006 (1)
- Build 94 : 1 June 2006 (1)
- Build 87 : 1 April 2005 (1)
- Build 78 : 1 October 2003 (1)