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What are the BCA and BASIX (solar absorbance) ratings for different colours?

April 26, 2017absorbance basix BCA Colours different ratings solar

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What are the BCA and BASIX (solar absorbance) ratings for different colours?

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The Building Code of Australia (BCA) has classified roof colour into light and dark on the basis of their solar absorbance. The lighter complying colours qualify for a Deemed to Satisfy insulation concession. The New South Wales Building and Sustainability Index (BASIX) has also classified colour into light medium and dark on the basis of their solar absorbance. The lighter and medium colours have insulation and or roof space ventilation concessions. For more Information see classification of COLORBOND® steel colours for BCA and NSW BASIX.