FAQs

For more information about COLORBOND® Coolmax® steel, please visit our COLORBOND® Coolmax® steel page.

For a cool roofing product to perform best in hot sunny conditions it needs to have a high Total Solar Reflectance (TSR) and a high thermal emittance. COLORBOND® Coolmax® steel has both. It is cooler than ZINCALUME® steel and the rest of the COLORBOND® steel product range mainly because it achieves the highest TSR. It also has slightly higher thermal emittance than standard COLORBOND® steel because of its thicker paint system.

Currently COLORBOND® Coolmax® steel meets the highest level of concession available under the Deemed to Satisfy provisions of the BCA. Alternatively, the higher TSR value may be used within energy assessment software to improve performance, reduce insulation or compensate for underperforming elements of a building.

COLORBOND® Coolmax® steel is available in one colour, Whitehaven™.

Yes. As with all BlueScope Steel warranties, to estimate the warranty for your specific application or to apply for your warranty online, visit www.bluescopesteel.com.au/warranties.

COLORBOND® Ultra steel is not the same as it's forerunner, COLORBOND® XSE steel. There are several technical differences between the two products. However, COLORBOND® Ultra steel is designed to fulfill the same role in severe marine and industrial environments as COLORBOND® XSE steel did. Therefore, where you would have previously specified COLORBOND® XSE steel, you can now rely on COLORBOND® Ultra steel to provide the protection you need. 

No. An R-Value is a term describing a material or system that provides a consistent level of resistance to heat flow. COLORBOND® Coolmax® steel roofing provides a varying level of resistance to heat flow into a building depending on the strength of the sun.

For roofing profiles, please see www.steelselect.com

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In most Australian climate zones, the cooling energy saved usually more than offsets any additional heating energy, particularly for buildings that are predominantly cooled during the daytime, such as commercial buildings. In winter the sun is lower in the sky so sunlight on the roof is less intense, days are shorter and there is often more cloud cover.