E2/AS1 – drained cavity and openings
Water penetration in and around windows and doors can cause significant damage. Following a few easy steps helps manage this risk and protect the vulnerable timber frame. We look at the E2/AS1 option.
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By Greg Burn – 1 April 2009, Build 111
Water penetration in and around windows and doors can cause significant damage. Following a few easy steps helps manage this risk and protect the vulnerable timber frame. We look at the E2/AS1 option.
By Greg Burn – 1 October 2010, Build 120
It’s often said that the devil is in the detail. Here, we give a refresher on some small construction details that need to be correct to increase the weathertightness of your building projects.
By Trevor Pringle – 1 December 2016, Build 157, Feature article
It’s a simple solution, but installing cavities behind wall claddings solved the problem of trapped moisture and the damage this caused. Now, extensive research has quantified exactly why cavities work.
By Alide Elkink – 1 August 2007, Build 101
E2/AS1 and WANZ WIS offer two different solutions to window head flashing details with bevelback weatherboard cladding installed over a drained and ventilated cavity. What are the differences?
By Trevor Pringle – 1 October 2008, Build 108
Brick veneer cavities have an important weathertightness function. Getting the detailing and construction of veneer claddings right is necessary to allow the water present to drain and dry.
By Greg Burn – 1 April 2009, Build 111
The Window Association of New Zealand has developed an Alternative Solution to the details in E2/AS1. Known as the WANZ WIS details, we look at how it works and what to watch out for.
By Alide Elkink – 1 December 2014, Build 145
As with all timber uses, it’s important to select the right treatment for cavity battens.
By John Harper – 1 August 2004, Build 83
In this series of articles on window/door installation, we’ve focused separately on heads, sills and jambs. Air-pressure management deals with the whole frame.
By Russell Black – 1 April 2004, Build 81
We received a query relating to smoke and fire spread in cavities arising from an earlier article on cavity battens. This article widens the discussion to address fire issues in relation to inter-tenancy boundaries.
By Stephen McNeil – 1 December 2016, Build 157, Feature article
Have you ever wondered why we detail or construct buildings the way we do? Many of the actions we take may seem second nature, but there is a great deal of science behind the basic details.