This publication provides authoritative estimates of the R-value of common building construction
elements incorporating timber-framed construction. These may be required to satisfy minimum energy
efficiency standards introduced by building regulatory authorities throughout Australia.
elements incorporating timber-framed construction. These may be required to satisfy minimum energy
efficiency standards introduced by building regulatory authorities throughout Australia.
As of 2004, most states and territories implemented, either through the Building Code of Australia (BCA) or independently, regulations which established minimal thermal requirements for residential buildings. The aim was to reduce operational energy usage for new homes as well as reducing greenhouse gas emissions for the residential sector. The BCA requirements are found in Part 3.12 (Volume Two) of the Code and are based on minimum R-values for different building elements. They vary for the different defined zones throughout Australia.
Naturally, the use of timber products in construction is required to comply with these regulations.
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