Installation of roofing underlay
Underlay is an essential part of roofing installation, but there still appears to be some uncertainty about its use and installation.
Search results for 'roofs'
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Taking care with roof-collected drinking water
By Stan Abbott – 1 February 2007, Build 98, Feature article
Nothing could be as fresh and pure to drink as rainwater – could it? A Massey University study shows people must take care to ensure roof-collected rainwater is safe to drink.
Internal gutter design
By Trevor Pringle – 1 June 2007, Build 100
Internal or ‘within roof area’ gutters (also described as box gutters) are seen as an easy solution to the collection and disposal of roof water. However, significant inconvenience, damage and health issues may occur if one overflows.
Gable dormer junctions
By Alide Elkink – 1 August 2007, Build 101
Dormer roof junctions with profiled metal roofing always present a tricky area of flashing and their detailing is often conveniently overlooked by designers.
Getting clear on vapour barriers and underlays
By Stephen Sargent – 1 April 2007, Build 99
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.
Making Talbot Park a better place to live
By Stuart Bracey – 1 June 2007, Build 100, Feature article
Auckland’s Talbot Park Community Renewal Project is a flagship for sustainable, community-based approaches to urban renewal.
Thermal insulation
By Nigel Isaacs – 1 October 2007, Build 102
With electricity costs on the increase and air pollution a serious issue, thermal insulation has an essential role in keeping a building warm, dry and comfortable for its occupants while helping to preserve the environment.
Setting the standard for weathertightness
By John Burgess – 1 December 2007, Build 103, Feature article
Many Standards address weathertightness to ensure an acceptable and achievable expectation of building element performance, particularly from the exterior skin. Here we look at AS/NZS 4284.
Looking further than the initial dollars
By Dr Nalanie Mithraratne – 1 August 2007, Build 101, Feature article
With home ownership in New Zealand changing on a 7–9 year cycle, long-term considerations may seem irrelevant to some homeowners. But taking a long-term view could have positive benefits for our health, the environment and our pockets.
Global warming good for solar heating
By Jonas Bengtsson – 1 April 2007, Build 99, Feature article
In Australia’s sunny climate, solar water heating is an excellent alternative that can significantly reduce the environmental impact from households.
