Roof Insulation Australian Standards

Csr recommends that all tiled roofs with a pitch of less than 20 are sarked and the bca mandates this requirement for rafter lengths greater than 4 5 metres.

Roof insulation australian standards. As well as determining specific r value requirements for different parts of a home they also contain requirements for ventilation and various other related issues. Those in the freezing alpine areas of australia require insulation with at least an r value of 6. For the purpose of insulation regulations australia is divided into many different. All insulation materials that are sold in australia must meet australian standard as nzs 4859 materials for the thermal insulation of buildings even if they are imported.

As 3999 2015 thermal insulation of dwellings bulk insulation installation requirements. As nzs 4200 1 1994 pliable building membranes and underlays materials. As a general guide it is considered good building practice to sark all tiled roofs as it helps to address the requirement within the bca to protect the. Insulation in zones 1 and 2 typically require an r value of 3 or 4 while properties in zones 3 to 7 will require an r value of at least 5.

It is mandatory under the building code of australia bca that all tiled residential roofs regardless of roof pitch with a rafter length greater than 6 metres must be sarked. The regulations in the building code of australia bca that apply to home insulation are complicated. How much insulation does my home need. Compare the environmental benefits of different products.

As nzs 4859 1 2002 materials for the thermal insulation of buildings.