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5. Insulation and moisture barriers

This section includes internal wall insulation and ground moisture barriers.

More details

The table below shows the exemptions included in this section and the professional you will need to engage.

Description		Is an authorised professional legally required?	Who can provide professional advice?
5.1	Thermal insulation	No	Competent insulation installers or Licensed Building Practitioner
5.2	Ground moisture barrier	No	Competent insulation installers or Licensed Building Practitioner

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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:

with compliance with the Building Act, it is published under section 175 of the Building Act
with a Weathertight Services claim, it is published under section 12 of the Weathertight Homes Resolution Services Act 2006.

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