Search all content

To assist the industry preparing for changes coming in on 1 May 2023, reduce the risk of non-compliant installation of waterproofing systems, and provide an understanding of the key changes for waterproofing for NCC 2022.

This Certifier Practice Standard is prepared by the Commissioner for Fair Trading under section 14 of the Building and Development Certifiers Act 2018 (B&DC Act); Section 14 provides that a registered certifier’s conditions of registration may require the certifier to carry out certification work in accordance with specified standards or methodologies prepared by the Commissioner.

This Guide is intended to supplement to the "Criteria for the Passive House, EnerPHit and PHI Low Energy Building Standards" ("Criteria") published by the Passive House Institute and posted online; it explains the Criteria's requirements given here in a brief and precise manner.