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Colorbond steel has been a favourite building product in Australia since it first rolled off the Number 1 coil painting line at Port Kembla, Wollongong in 1966. Before this, corrugated steel was used around the country as a strong, yet lightweight and easy-to-transport building material. In the 1950’s, the Chicago-based Lithostrip Corporation and Pre Finish Metals discovered a way to bond paint to galvanised steel. The new technology was then transported to Australia. So what are the advantages of choosing a Colorbond roof for your home? Let’s discuss.
- Five Layers of Protection
Colorbond steel features five layers.
The steel base is tested to meet Australian standards and weather conditions to ensure the durability of the product.
The base is then coated in BlueScope’s industry-leading metallic coating, which provides enhanced corrosion resistance.
A pre-treatment is then applied to optimise the adhesion of further coats.
A corrosion inhibitive primer is baked onto the surface.
A topcoat of specially developed, exterior grade paint is baked on to provide resistance to flaking, peeling and chipping, and to ensure the finish retains its look for longer.
- Sustainability and Thermal Efficiency
Colorbond steel is durable and resilient to Australia’s harsh climate and its long life may help to conserve resources and energy that might otherwise be invested in products with a shorter lifespan.
Colorbond steel is often made from recycled materials and is in turn 100% recyclable.
Choosing the right roof colour can also help to maintain comfortable temperatures withing the home. 21 of Colorbond’s core classic colours and all six of the matte colours contain Thermatech solar reflectance technology to aid in the absorption and/or deflection of the harsh summer sun, effectively keeping your home cooler inside.
- Easy to Maintain
Colorbond is a great choice for homeowners who work long hours and don’t have much spare time to clean their roofs. Colorbond usually only requires a hose down with fresh water, making it incredibly easy to clean. Every six months is usually sufficient, although in coastal areas where marine salt spray is prevalent, it may need a slightly more frequent wash. In areas with high rainfall, cleaning may be less frequent, but don’t forget to check wall cladding under eaves, the top of your garage door and any other areas of your roof where the rain may not land.
- Fire Performance
Colorbond steel can be used as a key component in protecting your home from bushfires. The CSIRO’s investigation into the performance of residential boundary fencing in the event of bushfires found that “a steel fence offers greater protection to people’s homes against bushfire than other alternative materials because of its non-combustibility… Of the different materials tested, pre-painted and metallic coated sheet steel (Colorbond) performed best under all exposure conditions and in particular when faced with a 30 minute flame immersion test used to stimulate potential effects of an adjacent house fire, which is common during bushfire events.” Having a Colorbond roof can add significant protection to your home if you live in a high-risk area for bushfires.
- Warranty Backed by BlueScope
Colorbond steel is a product produced and backed by BlueScope Steel. BlueScope offers a variety of warranties subject to application and eligibility criteria. Some of these warranties can even be pre-approved for builders or installers if eligibility criteria are met.
In summary, Colorbond steel roofs offer many advantages not offered by concrete or terracotta tiled roofs. They are strong, durable, long-lasting and easy to maintain. They are a great alternative to consider for a roof restoration, replacement or a new home that is yet to be built. Most experienced roofing companies offer Colorbond roofing in their services.
Top Glaze Roofing Systems are a licensed and experienced roofing company that have been servicing Melbourne and its surrounding suburbs since 1987. To organise a professional assessor to come out and provide a free no obligation roof report and quote for all your roofing needs, call 1800 88 77 98 anytime.
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