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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Another common feature of many leaky buildings that can be worth changing is the flush gable or the roof gable hidden behind a parapet.
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.
Continuing our alphabetical guide to the science of building, D is for two crucial functions, drainage and drying.
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.
Although steel framing in domestic construction has only a small market share, there are signs it may be on the increase. Since steel is a good conductor, builders need to be aware of potential pitfalls, such as thermal bridges and condensation.