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Acceptable Solution E2/AS3: External moisture provisions for concrete and concrete masonry buildings

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Abbreviation
E2/AS3 (Fourth edition)
Version
Fourth edition
Valid from
28/07/2025
Information provider
Ministry of Business, Innovation and Employment,
Information type
Acceptable Solution,
Format
PDF,
Cites
This resource cites 1 document (show Citations)
Description

E2 External Moisture Acceptable Solution E2/AS3 Fourth Edition provides a compliance pathway for meeting the weathertightness performance requirements of Clause E2 of the New Zealand Building Code, specifically for concrete and concrete masonry buildings.

The scope is limited to buildings within the scope of CP01:2014 and focuses on the performance of the building envelope in preventing external moisture ingress.

It is suitable for buildings using concrete or concrete masonry construction.

The acceptable solution references CP01:2014 and outlines compliance with various E2 clauses related to water shedding, moisture penetration, and construction moisture. The fourth edition introduces a standalone format with a consistent structure.

Scope

This acceptable solution covers external moisture provisions for concrete and concrete masonry buildings. It is limited to buildings within the scope of CP01.

Previous versions:
E2/AS3 (Amd 10) (Third Edition, Amendment 10.)
E2/AS3 (Amd 9) (Third Edition, Amendment 9)
E2/AS3 (Amd 8) (Third Edition, Amendment 8)
E2/AS3 (Amd 7) (Third edition, amendment 7)
E2/AS3 (Amd 6) (Third Edition, Amendment 6)
E2/AS3 (Amd 5, Errata 2) (Third Edition, Amendment 5, Errata 2)
E2/AS3 (Amd 5) (Third Edition, Amendment 5)
For assistance with locating previous versions, please contact the information provider.
Notes/comments

This acceptable solution is the third edition of E2/AS3. The main changes from the previous version are:

  • The document has been published in a standalone format and the layout has been revised to improve clarity.
  • A title of the document has been provided to the document to reflect the scope of the acceptable solution.
  • References have been revised to reflect the documents cited in this acceptable solution. 
  • Definitions have been revised to reflect the terms used in this acceptable solution. 
View on Information Provider website Download this resource (PDF, 238KB)
For assistance with locating previous versions, please contact the information provider.

This acceptable solution is the third edition of E2/AS3. The main changes from the previous version are:

  • The document has been published in a standalone format and the layout has been revised to improve clarity.
  • A title of the document has been provided to the document to reflect the scope of the acceptable solution.
  • References have been revised to reflect the documents cited in this acceptable solution. 
  • Definitions have been revised to reflect the terms used in this acceptable solution. 
This resource is not cited by any other resources.

Acceptable Solution E2/AS3: External moisture provisions for concrete and concrete masonry buildings

This document is not CITED BY any other resources:

Acceptable Solution E2/AS3: External moisture provisions for concrete and concrete masonry buildings

Description

E2 External Moisture Acceptable Solution E2/AS3 Fourth Edition provides a compliance pathway for meeting the weathertightness performance requirements of Clause E2 of the New Zealand Building Code, specifically for concrete and concrete masonry buildings.

The scope is limited to buildings within the scope of CP01:2014 and focuses on the performance of the building envelope in preventing external moisture ingress.

It is suitable for buildings using concrete or concrete masonry construction.

The acceptable solution references CP01:2014 and outlines compliance with various E2 clauses related to water shedding, moisture penetration, and construction moisture. The fourth edition introduces a standalone format with a consistent structure.

View on Information Provider website Download this resource (PDF, 238KB)
Acceptable Solution E2/AS3: External moisture provisions for concrete and concrete masonry buildings
Description

E2 External Moisture Acceptable Solution E2/AS3 Fourth Edition provides a compliance pathway for meeting the weathertightness performance requirements of Clause E2 of the New Zealand Building Code, specifically for concrete and concrete masonry buildings.

The scope is limited to buildings within the scope of CP01:2014 and focuses on the performance of the building envelope in preventing external moisture ingress.

It is suitable for buildings using concrete or concrete masonry construction.

The acceptable solution references CP01:2014 and outlines compliance with various E2 clauses related to water shedding, moisture penetration, and construction moisture. The fourth edition introduces a standalone format with a consistent structure.

View on Information Provider website Download this resource (PDF, 238KB)
This resource cites:

Acceptable Solution E2/AS3: External moisture provisions for concrete and concrete masonry buildings

This document CITES:
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