Confirming the use of materials that will remain functional for the minimum periods specified (5, 15 or ≥50 years).
B2 Durability must always be considered when demonstrating compliance with each of the clauses of the Building Code. In other words, it ensures that a building will continue to satisfy the performance of the Building Code throughout its specified intended life.
Under the clause, building materials, components and construction methods are required to be sufficiently durable. They must ensure that the building, without reconstruction or major renovation, continues to satisfy the other functional requirements of the Building Code throughout its life. B2 specifies minimum durability periods building elements must meet with only normal maintenance, being not less than 50, 15 or 5 years.
Under Section 67 of the Building Act 2004, councils may consider a waiver or modification to the durability period of a building element.
Record of amendments is a record of changes to the Acceptable Solutions, Verification Methods and handbooks.