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Retrofitting insulation to external walls

Guidance to help understand Building Code requirements for retrofitting insulation in external walls.
Building Code compliance > H Energy efficiency > H1 Energy efficiency > Retrofitting insulation to external walls

Practice Advisory 20: Improving earthquake performance of secondary structural elements

Good performance of secondary structural elements in earthquakes can save lives and costs.
Building Code compliance > B Stability > B1 Structure > Practice Advisory 20

Practice Advisory 19: Improving earthquake performance of non-structural elements

Good performance of non-structural elements in earthquakes can save lives and costs.
Building Code compliance > B Stability > B1 Structure > Practice Advisory 19

Constructing cavities for wall claddings

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

Heat pump water heaters

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

Alternative solution for branding treated framing

An alternative solution for treated framing to ensure ongoing identification on the timber.
Building Code compliance > B Stability > B2 Durability > Alternative solution for branding treated framing

Changes to H3.1 for solid timber framing

Important information for framing specifiers. H3.1 treatment class is no longer an Acceptable Solution for solid timber.
Building Code compliance > B Stability > B2 Durability > Changes to H3.1 for solid timber framing

Change to Acceptable Solution for timber preservative treatment

Guidance on the latest amendment to Acceptable Solution B2/AS1 for timber durability.
Building Code compliance > B Stability > B2 Durability > Change to Acceptable Solution for timber preservative treatment

External moisture guide to E2/AS1 risk matrix

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

Guidance on barrier design for Building Code clause B1

Barrier design loading requirements and recommendations for designers, manufacturers and installers of barriers.
Building Code compliance > B Stability > B1 Structure > Guidance on barrier design for Building Code clause B1
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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: