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Constructing cavities for wall claddings

Building Code compliance > E Moisture > E2 External moisture > Constructing cavities for wall claddings >
Understand how to construct drained and vented cavities for wall claddings.

Building industry codes of practice

Building Code compliance > E Moisture > E2 External moisture > Building industry codes of practice >
Industry groups can create their own codes of practice for the use of their products. We provide examples to help you.

Heat pump water heaters

Building Code compliance > G Services and facilities > G12 Water supplies > Heat pump water heaters >
Heat pump water heaters, how they work and whether building consents are needed.

Weathertightness for medium-rise dwellings

Building Code compliance > E Moisture > E2 External moisture > Weathertightness for medium-rise dwellings >
Structural design and cladding design must be well co-ordinated to ensure medium-rise dwellings are weathertight.

Head flashings in E2/AS1

Building Code compliance > E Moisture > E2 External moisture > Head flashings in E2/AS1 >
The critical measurements needed for weathertight performance of the joint between flashing and window flange.

Scupper linings in E2/AS1 – preformed or formed on-site?

Building Code compliance > E Moisture > E2 External moisture > Scupper linings in E2/AS1 – preformed or formed on-site? >
Requirements for scupper linings in E2/AS1.

Understanding door thresholds in E2/AS1

Building Code compliance > E Moisture > E2 External moisture > Understanding door thresholds in E2/AS1 >
This guidance looks at whether rebated door sills comply with E2/AS1.

External moisture guide to E2/AS1 risk matrix

Building Code compliance > E Moisture > E2 External moisture > External moisture guide to E2/AS1 risk matrix >
Help using the risk matrix in Acceptable Solution E2/AS1 to assess weathertightness

Lighter cladding and your TC3 repair or rebuild

Building Code compliance > E Moisture > E2 External moisture > Lighter cladding in TC3 >
Advice on common lighter cladding types for homeowners repairing or rebuilding in TC3 areas.

Concrete tile roofs: Amendment 5 to E2/AS1

Building Code compliance > E Moisture > E2 External moisture > Concrete tile roofs: Amendment 5 to E2/AS1 >
Guidance on wind speed and pressure requirements with regards to concrete tile roof underlays and underlay support.
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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: