Roof Insulation Australian Standards

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Roof insulation australian standards.

As nzs 4859 1 2002 materials for the thermal insulation of buildings. There are a range of australian standards relevant to insulation some of which include. 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. 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.

Compare the environmental benefits of different products. 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. The regulations in the building code of australia bca that apply to home insulation are complicated. 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. 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. How much insulation does my home need. 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.

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.