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Product assurance & MultiProof

Information about product assurance and product certification (CodeMark) for importers, suppliers or manufacturers of building products or systems.  Details of the multiple-use approval scheme, MultiProof, for those planning to build the same or similar building design many times.

If you are considering importing, supplying or manufacturing a building product or system, our information on product assurance can help you understand how our building laws apply and how to comply with these.  Understand what evidence you will need to demonstrate your product is fit for purpose and complies with the Building Code and how to present your product’s key technical information. You can also find out more about the voluntary product certification scheme CodeMark, which is administered by MBIE.

If you want to build the same or similar building design many times, you could consider applying for a MultiProof. Find out how this national multiple-use approval scheme works, how to apply, and what you need to provide to show a set of standardised plans and specifications complies with the Building Code.

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: