External membranes for roofs and decks
- Version
- Reconfirmed - February 2016.
- Valid from
- 1/06/2009
- Information provider
- Ministry of Business, Innovation and Employment,
- Information type
- Section 175 guidance,
- Format
- Website,
Description
This guidance gives you information on how to establish compliance with Clause E2 External Moisture of the Building Code, particularly in relation to external membranes for roofs and decks.
Scope
This guidance includes:
- What is E2/AS1 - External Moisture
- Types of building covered by E2/AS1
- Membrane roofs and decks covered by E2/AS1
- Specific design and alternative solutions
- Sound decision-making on external membranes
- Relevant Building Act 2004 requirements
- Additional information on external membranes