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COLORBOND® steel  Ironstone® inspiration.  Black Ironstone sedimentary rock

Ironstone Classic finish

Colour Values

CMYK37 20 5 80
RGB62 67 76

Nominal Thermal Values

Solar Absorptance0.73
Solar Reflectance Index27

These solar absorptance values are nominal values based on new product. Solar absorptance has been measured in accordance with ASTM E 903-96, ‘Standard test method for solar absorptance, reflectance and transmittance of materials using integrating spheres’. Solar absorptance is a thermal property and is not suitable for evaluation of visual impacts. Thermal values published 23/8/2022. For further information refer to BlueScope Technical Bulletin TB 39 Thermal performance of roofing materials.

Sophisticated depth

Capturing the complexity of stormy skies and wild coastal seas, COLORBOND® steel in the colour Ironstone® embodies the breadth of steely blues found in our natural environments. A sophisticated and intriguingly deep colour, COLORBOND® steel Ironstone® complements bluestone, terrazzo or glazed brick alike. Use COLORBOND® steel in the colour Ironstone® with warm neutral colours for a traditional effect, or in abundance across roofing, walling, fascias and garage doors for a strong, contemporary result.

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The colours shown represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying screens and devices may affect colour tones and finishes.