Determinations — February 2025
Determinations are legally binding decisions made by the Ministry of Business, Innovation and Employment (MBIE). They are for matters of doubt or dispute to do with building work outlined in the Building Act and the Building Code.
For further information about determinations, visit the Building Performance website.
Determinations(external link) — Building Performance website
This month, we're highlighting a determination covering a certificate of work for roof trusses, and one that considers B2 'Durability' and E2 'External moisture' of vertical shiplap Siberian larch timber wall cladding.
Determination 2023/008
This determination explores whether a certificate of work is required from a licensed building practitioner for the design of roof trusses. This requires a decision of whether the design of roof trusses is part of the primary structure of a dwelling and restricted building work.
Determination 2024/042
This determination considers the compliance with the Building Code Clauses B2 ‘Durability’ and E2 ‘External Moisture’ of vertical shiplap Siberian larch timber wall cladding on a residential dwelling.