• Metal Roofing
          • Roofing

            Explore our range of steel solutions, applicable profiles, colours and patterns for your next steel roof.

          • Wye House high angle over-looking the coast. The cladding and roofing is UniCote Coastal.
    • Fascia & Guttering
          • Fascia & Guttering

            Whether or not you have a steel roof, complete the look of your home with UniCote fascia, gutters and downpipes.

          • UniCote Fascia, gutters and downpipe
    • Garage Doors
          • Garage Doors

            Enhance your home’s facade with exclusive range of UniCote LUX garage door textured patterns, including timber, natural and exotic finishes.

          • UniCote LUZ Zinc Graphite Garage Door
    • Walls & Cladding
          • Cladding

            Be inspired and leave a lasting impression by selecting cladding from our unique range of colours, patterns and solutions.

    • Insulated Panels
          • Insulated Panels

            Steel solutions, inspired colours and patterns for your insulated panel application.

          • Brimbank Lifestyle and Aquatic Centre, UniCote LUX Weathered Iron insulated panels
    • Sheds
          • Sheds

            Steel solutions, inspiring colours and patterns for your shed project.

    • All Colours & Patterns
    • Essential
          • Essential

            Discover our diverse pallette of 23 captivating colours, from timeless classics, modern shades and coastal Hamptons inspired colours.

          • UniCote Coastal, Slate Grey - Portsea Hotel
    • Tasman
          • Tasman

            View our extended colour range inspired by the captivating New Zealand landscape.

          • Architectural house from New Zealand with cladding and roofing in Tasman colours
    • LUX
          • LUX

            Bring your next project to life with our unique range of patterned and textured finish.

          • Latrobe Valley Govhub, UniCote LUX cladding and sofits in Ashwood
    • Compare Metal Solutions
    • UniCote Select
          • UniCote Select

            Data sheet, performance, technical information and warranty about our ‘UniCote Select’ steel solution.

          • UniCote Select Euengella Project
    • UniCote Coastal
          • UniCote Coastal

            Data sheet, performance, technical information and warranty about our ‘UniCote Coastal’ steel solution.

    • UniCote Extreme
          • UniCote Extreme

            Data sheet, performance, technical information and warranty about our ‘UniCote Extreme’ aluminium solution.

          • Bondi Icebergs
    • UniCote LUX
          • UniCote LUX

            Data sheet, performance, technical information and warranty about our ‘UniCote LUX’ textured and patterned steel solution.

          • UniCote LUX cover-Govhub
    • Colour Library
    • Inspiration Gallery
          • Inspiration Gallery

            A curated collection of architectural projects showcasing the colours, patterns and textures of our UniCote products in varied environments.

    • Case Studies
          • Case Studies

            A collection of remarkable projects that exemplify the use for UniCote for roofing and cladding.

    • Articles
          • Articles

            2 minute reads: industry insights and design trends that elevate the use of pre-painted steel.

  • Why UniCote®

ESSENTIAL –

What to Consider When Choosing a Roof Colour?

Understanding Solar Absorptance and Solar Reflectance in UniCote® Steel Roof Colours

When it comes to selecting the colour of your UniCote® steel roof, it’s essential to consider more than just appearance. The colour you choose can significantly impact your home’s energy efficiency and comfort. Here’s a breakdown of what Australian homeowners need to know about Solar Absorptance (SA) and Solar Reflectance Index (SRI).

Let’s start with Solar Absorptance (SA). This refers to how much sunlight your roof absorbs. Picture wearing a dark shirt on a scorching Australian summer day – it absorbs more sunlight, making you feel warmer. Your roof behaves similarly. Opting for a darker colour means your roof will absorb more sunlight, potentially leading to higher indoor temperatures. Conversely, lighter colours reflect more sunlight, helping to keep your home cooler. So, if you’re looking to lower your cooling costs and maintain comfort during hot Australian summers, consider lighter coloured roofing materials.

Now, onto Solar Reflectance Index (SRI). This metric gauges how effectively your roof reflects sunlight and releases absorbed heat. Think of it as your roof’s ability to stay cool under the Australian sun. A higher SRI indicates that your roof reflects more sunlight and releases heat more efficiently, helping to keep your home cooler. When selecting a roof colour, prioritize materials with a high SRI value to potentially reduce your energy bills and create a more pleasant indoor environment.

For Australian homeowners, what does this mean in practice? When choosing a UniCote® steel roof colour, consider the local climate and your home’s orientation. If you reside in a hot and sunny area like Queensland or Western Australia, opting for lighter-coloured roofing materials can help keep your home cooler and minimize energy usage. Conversely, if you’re in a cooler region like Tasmania or Victoria, darker roof colours may be more suitable to absorb heat and maintain warmth during winter.

In summary, when deciding on a roof colour, consider both Solar Absorptance (SA) and Solar Reflectance Index (SRI). Aim for lighter coloured materials with high SRI values to promote energy efficiency and comfort, particularly in Australia’s warmer climates. By understanding these concepts, you can make informed choices that may benefit both your household budget and the environment.

Solar Absorptance (SA) is the fraction of the total incident solar radiation that is absorbed by the roofing material. It is expressed as a ratio between 0 and 1, with a lower number a cooler option. These are nominal values calculated in accordance with ASTM E 903-96.

Solar Reflectance Index (SRI) is a measure of the solar reflectance and emissivity of materials. Measured on a scale of 0 (least reflective) to 100 (most reflective). These are nominal values calculated in accordance with ASTM E1980-11.