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Tongue and groove (T&G) timber floors laid over joists are a typical feature of older New Zealand homes. From the earliest houses until 1970s, all houses had timber floorboards. In the earliest houses, boards were square edged and butted, but by the 1960s, steam-powered milling machines were producing...
Until the 1970s, the main material used for window frames and sashes in New Zealand houses was timber. A large proportion of houses still have timber windows, and these can last for a very long time if well maintained and repaired when necessary. This guide covers the repair...
This page provides a 'hub' of well-targeted resources for housing for the architecture and design community on universal design (UD). It complements other New Zealand-based resources and provides: a sketch gallery of generic dimensioned design solutions a photo gallery of universal design being applied in real New Zealand...
General wear and tear in a house often results in damage to interior wall linings. Damage can range from repairable (a picture hook pulled out or a door handle through the wall) to the catastrophic (a major leak or structural failure). This Good Repair Guide outlines some...
WALLDRY-NZ is a tool we have developed to help building professionals appreciate the affect of design choices on the weathertight performance of walls. In this Microsoft Excel-based tool, you can choose cladding type, vent size, cavity type and building location to look at the effect on the drying...
Funded by BRANZ Ministry of Science + Innovation Contact the WAVE team at wave@branz.co.nz Programme Overview Previous Research Weathertightness Interstitial Moisture Indoor Air Quality Ventilation Latest News Join us on LinkedIn Watch us on YouTube Follow us on Twitter
While indoor air quality (IAQ) is a theme in all of the streams, in this stream, we will be characterising the performance of devices such as photocatalytic oxidisers to see how they can be used effectively in real-world situations such as schools. The IAQ stream is also where...
The interstitial moisture (condensation within the building structure) stream is looking at moisture management in roof spaces - both residential and commercial. The Building Code currently puts many of the performance requirements of roofs on the properties of underlay - there is no recognition that ventilation can play...
The aim of the weathertightness stream is to develop a wider range of weathertight building solutions. This involves achieving two things that will allow designers to be confident their designs will perform as desired: Developing a calculation basis for moisture design: Previously, we have worked on the development...
Extensive publicity over recent years about the leaky building problem has led to the discovery of a large number of buildings in New Zealand that have problems related to water penetration. A number of these buildings have suffered significant damage that has required expensive and extensive remedial...