Review of E2/AS3 weathertightness of concrete masonry buildings

Issue 48 – April 2013

A new acceptable solution – E2/AS3 – for the weathertightness of concrete and concrete masonry buildings was introduced on 1 August 2011. The Ministry of Business, Innovation, and Employment (MBIE) is reviewing the uptake of this solution and would like to hear from practitioners and industry on how it is being implemented and in particular if there are any commonly used weathertightness details being used that are missing or have been overlooked.

Read more on the review of E2/AS3 (

Summarised from MBIE's Codewords 55, 11 March 2013.

Published in building.