Weathertightness: Guide to remediation design

All content related to E2 External moisture

About this document

  • Published on 1 May 2011
  • Of interest to Registered architect, Building consent authorities, Builders, Designers, Engineers,
  • ISBN: ISBN: 978-0-478-34387-8 (Print) / ISBN: 978-0-478-34388-5 (Online)


This guide provides assistance for building designers undertaking the design of weathertightness remediation solutions. It focuses on design aspects particular to weathertightness remediation rather than the usual design process.

It is primarily targeted at designers who are either already undertaking this type of design work or, are considering taking it up. BCAs, builders and homeowners may also find the information useful.

This publication was jointly produced with BRANZ. It was developed with extensive input from practitioners and other experts from the building sector. It may be updated from time to time.

All guidance documents related to E2 External moisture

This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people: