COLORBOND® steel Studio
Additional COLORBOND® steel cool colour choices are available. See the full range of colours with a Solar Absorptance (SA) of less than 0.45 that are available on special order.
Inspired by nature and developed for our diverse and extreme environments, COLORBOND® steel has always celebrated the colours, textures and light of Australia’s unique landscapes.
COLORBOND® steel cool roofing core colours all feature low Solar Absorptance (SA) values of less than or equal to 0.45, which enables ‘deemed-to-satisfy’ compliance for the roof cladding material within the National Construction Code (NCC) Volume 1 Section J energy efficiency provisions. The COLORBOND® steel Studio features additional cool colours that are available on special order.
The COLORBOND® steel cool roofing colours bring together a number of BlueScope's proprietary coatings and manufacturing technologies whilst offering a higher level of thermal performance.
Cool Roofing Core Colours
COLORBOND® Coolmax® steel
The technology behind COLORBOND® Coolmax® steel includes an optimised combination of durable ingredients to create BlueScope’s highest solar reflective product.2,3
Whitehaven®
SA
0.23
SRI
95
RGB
253 252 243
HEX
#FDFCF3
COLORBOND® steel
The COLORBOND® steel cool roofing colours4 have the potential to improve thermal comfort, reduce the need for air conditioning and lower ongoing energy bills.3
Dover White™
SA
0.28
SRI
88
RGB
249 251 241
HEX
#F9FBF1
Surfmist®
SA
0.33
SRI
81
RGB
228 226 213
HEX
#E4E2D5
Classic Cream™
SA
0.33
SRI
81
RGB
233 220 184
HEX
#E9DCB8
Galactic®
SA
0.34
SRI
80
RGB
245 243 233
HEX
#F5F3E9
Surfmist® Matt finish
SA
0.35
SRI
78
RGB
234 233 224
HEX
#EAE9E0
Cosmic®
SA
0.39
SRI
73
RGB
222 223 217
HEX
#DEDFD9
Southerly®
SA
0.40
SRI
71
RGB
210 209 203
HEX
#D2D1CB
Evening Haze®
SA
0.43
SRI
67
RGB
197 194 170
HEX
#C5C2AA
Paperbark®
SA
0.43
SRI
67
RGB
202 191 164
HEX
#CABFA4
Shale Grey™
SA
0.44
SRI
66
RGB
189 191 186
HEX
#BDBFBA
COLORBOND® Ultra steel
COLORBOND® Ultra steel is designed for coastal and industrial environments.5 Other cool roofing colours in the Classic finish may be available on request.
Surfmist®
SA
0.33
SRI
81
RGB
228 226 213
HEX
#E4E2D5
Shale Grey™
SA
0.44
SRI
66
RGB
189 191 186
HEX
#BDBFBA
Footnotes:
1Thermal Values
SA = Solar Absorptance
SA = (Solar Absorptance) is a measure of how much of the sun’s heat that a material absorbs. Choosing a colour with a lower SA is a cooler option and may help you meet building regulations such as the NCC. These are nominal values based on new product and measured in accordance with ASTM E903-96. For further information refer to Technical Bulletin TB 39 Thermal performance of roofing materials.
SRI = Solar Reflectance Index
SRI = (Solar Reflectance Index) provides a guide of a surface’s ability to reject solar heat on the basis of the relative temperature of surfaces with respect to a reference black (SRI=0) and white surface (SRI=100). The SRI value of a surface is calculated from its solar reflectance and thermal emittance. These are nominal values based on new product and determined in accordance with ASTM E1980-11.
Thermal values published 23/8/2022.
2. COLORBOND® Coolmax® steel is a tailored roofing product designed to provide and maintain high solar reflectance. Available exclusively in the colour Whitehaven®. For further information refer to Stockland case study.
3. Results will depend on a wide range of factors including roof colour, roof shape, level and location of insulation, type, location, shape, and function of the building.
4. Galactic® and Cosmic® are available in a Metallic finish. All other COLORBOND® steel colours shown are available in a Classic finish.
5. For further guidance on choosing the right product for your project please refer to BlueScope Technical Bulletins 1A and 1B. Absolute performance is subject to local conditions including, but not limited to, prevailing winds, and presence of unwashed areas. Distance is as measured from the high water/tide mark.
6. For more information about the solar absorptance of COLORBOND® steel colours for NCC and BASIX, please refer to this article on STEEL SELECT®.
7. The colours shown have been reproduced to represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before specifying, as varying light conditions, screens and devices may affect colour tones.