While Bluescope Steel makes COLORBOND® steel, it's our rollforming customers who turn it into the various steel products you're familiar with, such as roof cladding, guttering and fencing panels. There are many rollformers out there, each supplying di...

The Warranty Evaluation tool provides you with a quick assessment of warranty availability for your project. A great tool with immediate results. There are generally two types of warranty available to consumers of BlueScope Steel products: A warran...

All coloured materials will change colour when exposed to UV light - the paint finish on your car, the clothes on your line, and so on. When it comes to steel building materials, the extent of colour change is influenced by factors such as the colour itse...

Many people enjoy the sound of rain falling on their steel roof. They feel more attuned to nature, or it brings back fond memories of childhood. For those who don't, rain noise can be reduced by using an insulating blanket. This is placed directly under t...

Cooling energy savings will vary considerably as each building is unique in its construction and operation. Factors that will influence potential savings can include building shape, building function, the amount, quality and installation of roof insulatio...

While standard COLORBOND® steel will suit most home designs and most locations, we also make specialist grades suited to more demanding environments, like those by the sea or in areas prone to industrial or chemical fumes and fallout, see our informat...

You can view our advertisements our website at Promotions and Advertisements.

Total Solar Reflectance (TSR) is a measure of the ability of a surface to reflect the sun’s energy. Any energy that is not reflected is absorbed by the surface causing it to heat up.

Please see our Where to Buy page and use the Supplier Locator to find your nearest ten suppliers anywhere in Australia. To find overseas suppliers, please see the BlueScope Steel Office Locator...

For information on how to keep your COLORBOND® steel looking great, view our page Maintain COLORBOND® steel and ZINCALUME® steel. If you think you may have fungus growing on the surface, view our page Identify and Remove Fungus....

Green Star™ is a voluntary rating system developed to evaluate the environmental design, efficiency and performance of Australian buildings. The system is not used to evaluate individual building materials or products. For more information, view o...

On standard COLORBOND® steel it's called Shadow Grey; on COLORBOND® Ultra steel it's Bass Grey; on COLORBOND® Stainless steel it's Hastings Blue; and on COLORBOND® Metallic steel it's Snowgum Green.

The thickness of sheeting is normally measured as its BMT (base metal thickness). For steel of the same grade and profile, a higher BMT generally means the sheet can span further between supports. Care should be taken when referencing thickness because s...

The current colour names were introduced with a new Super Polyester paint system designed to keep the finish looking newer for longer.  Many of these colours will match the old colours when both are new, but the two will differ after weathering....

BlueScope Steel does not recommend the use of touch up paints on COLORBOND® steel. The manufacturing process that gives COLORBOND® steel its colour and gloss retention properties means that the surface weathers differently to air drying paint. Aft...

Our recommendation is not to touch up. Minor scratching will not affect the life of the sheet and is rarely obvious to a casual observer. Should damage be substantial, replace the sheet. We particularly recommend against the use of spray cans, as these ca...

Australian residents can order COLORBOND® steel swatches, stickers and brochures from our On-line Order Form, or contact us....

Yes. Samples of COLORBOND® Coolmax® steel in Whitehaven™ are available in a standard swatch size. Order swatches online or contact us to order samples over the phone. ...

The Total Solar Reflectance (TSR) will drop for any light coloured surface if it becomes dirty. How much it drops depends on what is making the roof dirty. Fortunately all COLORBOND® steel products have excellent resistance to dirt reten...

BlueScope Steel's research team use a spectrophotometer in accordance with the American Society for Testing and Materials ASTM E903-96, which is amongst the most accurate methods for determining solar reflectance. Independent c...

We have many resources on our website to assist you in deciding which COLORBOND® steel colour will best suit your needs. Our Selecting Colours page in our Colour Centre gives colour choice tips, suggested colour schemes and information on th...

Please view our page:  Maintain COLORBOND® steel and ZINCALUME® steel

View our page How To Insulate Steel Roofs.

There are three new COLORBOND® steel colours. The new colour range coincides with the release of exciting new Thermatech® technology, helping your roof to absorb less heat. The new colour names are; Evening Haze®, Loft® and ...

Prices will vary depending on the manufacturer you choose.  BlueScope Steel makes COLORBOND® steel as flat sheet rolled into coils.  It's our rollformer customers who turn this 'raw' material into the various profiles and products ...

Stone® is now discontinued as a standard colour. Suppliers are still able to order non-standard colour from us, although price surcharges and/or minimum order requirements may apply. Please see our Where to Buy page to find your nearest ten suppliers ...

Plantation® is now discontinued as a standard colour. Suppliers are still able to order non-standard colour from us, although price surcharges and/or minimum order requirements may apply. Please see our Where to Buy page to find your nearest ten suppl...

Night Sky® is now discontinued as a standard colour. Suppliers are still able to order non-standard colour from us, although price surcharges and/or minimum order requirements may apply. Please see our Where to Buy page to find your nearest ten suppli...

Wheat is now discontinued as a standard colour. Suppliers are still able to order non-standard colour from us, although price surcharges and/or minimum order requirements may apply. Please see our Where to Buy page to find your nearest ten suppliers anywh...

Pale Terracotta, Torres Blue, Blue Ridge®, Ironbark, Bronze Olive or Saltbush is now discontinued as a standard colour for roofing & rainwater goods. Suppliers are still able to order non-standard colour from us, although price surcharges and/or m...

Please see our Where to Buy page and use the Supplier Locator to find your nearest ten suppliers anywhere in Australia. To find overseas suppliers, please see the BlueScope Steel Office Locator....

Prices for COLORBOND® Coolmax® steel are available from BlueScope Steel suppliers. Please see the supplier list for more information.

Visit our supplier locator

COLORBOND® Coolmax® steel is available in three sizes. The two roofing sizes are available on two weeks production lead time plus transit times. The accessory or flashing size is available on three weeks production lead time plus transit tim...

Please view our page Effect of Location.

COLORBOND® steel combines the corrosion resistance of a ZINCALUME® steel base with a durable, oven baked paint finish. Find out more on How It Is Made....

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 fulfil the same role in severe marine and in...

The difference lies in performance requirements. COLORBOND® steel complies with a number of Australian Standards and was designed in Australia for Australian conditions. It is manufactured by BlueScope Steel, with a reputation second to none. COLORBON...

Where it's appropriate to place branding, products manufactured from COLORBOND® steel, ZINCALUME® steel and GALVASPAN® steel can be identified by our "branding". Fencing made from COLORBOND® steel will be laser engraved with the COLOR...

Cladding is a collective term for any sheeting that covers a building, whether it be on the roof of the building, or on the walls. Roof cladding is made from thicker steel and is rolled to a profile capable of supporting roof traffic*. In most cases, thes...

Recently BlueScope Steel commissioned the Australian Water Quality Centre to determine if our products meet the requirements of Australian Standard AS/NZ 4020 - 1999 "Products for use in contact with drinking water". The results of testing to t...

Yes. COLORBOND® Coolmax® steel contains Thermatech® solar reflectance technology which is the same technology that is used in the standard 20 COLORBOND® steel colours.

COLORBOND® Coolmax® steel roofing has equivalent corrosion and paint durability performance to COLORBOND® steel, as reflected by the equivalent warranty offer. However, COLORBOND® Coolmax® steel has greater solar reflectance than COLOR...

There are several advantages associated with using COLORBOND® Coolmax® steel. These include, but are not limited to, the following: Air-conditioned commercial buildings may enjoy direct cooling benefits that typically pay back the costs man...

Some manufacturers do sell roof sheeting made from COLORBOND® steel with a top coat on both sides. However, colours and styles may be limited and you should confirm availability with your supplier.

In Concrete ZINCALUME® steel (and COLORBOND® steel manufactured with a ZINCALUME® steel substrate), are NOT recommended for immersion in wet cement as rapid corrosion and degradation of the coating alloy will occur. The recommended product fo...

The use of uncoated steel supports for ZINCALUME® steel or COLORBOND® steel is discouraged as the possibility of corrosion of the overlying sheeting may be greatly enhanced. Where heavy steel sections such as hot rolled steel angles are necessary ...

COLORBOND® steel does not have a Fire Rating. Information about the Early Fire Hazard ratings for COLORBOND® steel can be found in its Product Datasheet. Download COLORBOND® steel Datasheet (207 kb) Download COLORBOND® Ultra steel Datas...

This is usually a result of the use of touch up paint on the sheeting. The manufacturing process which gives COLORBOND® steel its colour and gloss retention properties means its surface weathers differently to air-drying paint. After weathering, areas...

Please download:  Corrosion Technical Bulletin CTB 16 - Immersion (Nov 2003, 289 KB)...

Temperature variations can cause pierce fixed metal roof sheeting to expand and contract, sometimes resulting in roof noise. This is more likely during rapid changes in the temperature caused by such things as heat from the morning sun, afternoon cooling,...

For details of which fasteners to use in which location please view Technical Bulletin TB 16 - Fasteners for Roofing and Walling Products - Selection Guide.   ...

Neutral Cure silicone rubber sealants are the only sealants recommended for use with COLORBOND® steel and ZINCALUME® steel. Look for the words "Neutral Cure" on the sealant cartridge to make sure.  View Technical Bulletin TB 09 - Sealant...

Do not allow any metals other than aluminium, galvanised steel, ZINCALUME® steel or zinc to come into direct contact with COLORBOND® steel. Any direct contact between any other metals (eg. copper and lead) and COLORBOND® steel can result in co...

Appropriate fasteners matched to Whitehaven® are available in the market. If you require further assistance refer to SteelDirect 1800 022 999.

Adding more insulation is quite different from using COLORBOND® Coolmax® steel, which functions purely to stop heat getting in by keeping the roof cool. Insulation helps stop heat getting in and out of a roof. For a building that is mainly o...

Condensation forms under/on roof sheeting when the sheeting becomes colder than the air in contact with it. Water vapour carried in the air then condenses on the colder surface of the roof sheet. To minimise the risk of water damage to ceilings or corrosi...

When sheets need to be cut on site the most suitable technique is with nibblers or power saws with metal cutting blades (tin snips can be used although they are difficult to use on profiled sheeting). The use of cutting discs and grinding wheels is not re...

BlueScope Steel warranties require adherence to manufacturers instructions. These usually state roofs must be crest fixed. Contact your roof sheeting supplier to obtain their specific recommendations.

No. The coating on the underside of the sheet has a different film thickness and UV absorbance capabilities which are not designed for prolonged exposure to weather. At the same time, roofing profiles are designed to be used one side up and may leak if in...

Normally it's OK to walk on a roof made from COLORBOND® steel. However safety precautions should be taken, including the wearing of soft rubber soled shoes and any necessary precautions for working at heights. You should also take into account the man...

BlueScope Steel recommend 'cold cutting' coated steel products. If this recommendation is followed, these products will 'self heal', that is, the zinc in the surrounding coating will protect the newly exposed edge. How does this happen? In the presence of...

You're probably looking at swarf stains. Swarf is the term given to the steel debris arising from cutting or piercing operations, and mostly comprises of fine steel particles mixed with abrasive, however, in this context swarf may also be taken to include...

Green timber or timber treated with copper chromium arsenic (CCA) should not come into direct contact with galvanized steel, ZINCALUME® steel or COLORBOND® steel because acidic substances from these timbers have a corrosive effect on the metallic ...

The appearance of COLORBOND® steel affected by weathering can often be restored by re-painting. Please contact a roof restoration expert to assess the suitability of the roof for re-painting. If the roof is in a suitable state for re-paintin...

COLORBOND® Coolmax® steel has equivalent corrosion performance to COLORBOND® steel in marine environments, as reflected by the equivalent warranty offer.

The reality is energy costs are going up, not down. That's a concern for most commercial and industrial building owners and tenants. So it's reassuring to know that a roof made from COLORBOND® Coolmax® steel in Whitehaven™ can help red...

Please download: Corrosion Technical Bulletin CTB 14 - Exhaust From Wood and Oil Fired Burners...

How to identify you have fungus Fungal growth can occur on virtually all surfaces when the "micro-environment" on and around a particular installation is conducive to it. In general, it is believed that fungi can grow as a result of suitable conditions,...

Please view our techical bulletin:    Technical Bulletin TB 24 - COLORBOND® prepainted steel and Graffiti (61 KB)...

When brickwork is completed it is usual to clean excess mortar from the brick surface with an acid solution. If this acid contacts prepainted steel sheeting and gutters, early failure of the paint and corrosion of the metal can occur. The acid can pass th...

With steel building frames made from TRUECORE® steel, mortar splashes from bricklaying operations are rarely a direct cause for concern. However, TRUECORE® steel, ZINCALUME® steel and COLORBOND® steel (manufactured with a ZINCALUME® st...

All light products have a greater tendency to show dirt than darker colours. Fortunately all COLORBOND® steel has excellent resistance to dirt retention, so regular washing from the rain is all that is usually required to keep your roof looking great....

See Steel Select for specifying COLORBOND® Coolmax® steel.

Yes. In the introductory offer there is an accessory feed size for flashings. Fasteners are available from our fastener suppliers.

In some states of Australia, steel roofing falls under the category of plumbing, which can only be performed by a licensed contractor. Please refer to your local authority for advice relevant to your state.

Yes. Thermatech® technology that is incorporated into COLORBOND® Coolmax® steel roofing performs in the same way and offers the same product benefits.

COLORBOND® steel is not available in a low gloss finish. When addressing this question, it's important to understand that all materials are reflective to some degree. Reflectivity limits tend to restrict the opportunity to use light colours, which is ...

All the major paint manufacturing companies have colour matching codes to produce paint that will match to the COLORBOND® steel colours. Simply quote the trademarked COLORBOND® steel colour name and they should be able to provide you with paint to...

Yes. But before you do, clean the surface. This can be done using a mop or soft bristle brush with non-ionic detergent (such as kitchen detergent) and water. The surface should then be hosed down thoroughly with water and allowed to dry. If the surface i...

For more information about COLORBOND® Coolmax® steel speak with an expert at Steel Direct on 1800 022 789.

For roofing applications, BlueScope Steel offers a warranty* against corrosion to perforation by weathering in the natural elements for a period of up to 30 years from the date of installation. BlueScope Steel also warrants* that the paint system on COLOR...

The Total Solar Reflectance (TSR) value for COLORBOND® Coolmax® steel in the colour Whitehaven® is 77%.

For roofing profiles, please see www.steelselect.com.au

Sec J requires you to verify the energy efficiency of the building from a heating and cooling perspective. This is typically done in one of two ways: Comply with a series of Deemed to Satisfy (DTS) requirements such as putting a certain amount of...

No. BlueScope Steel has worked exclusively with our paint suppliers to develop a coating solution that delivers the thermal benefits of COLORBOND® Coolmax® steel.

Using COLORBOND® Coolmax® steel not only results in cost savings from reduced ongoing operational costs but also has the potential to reduce up-front expenditure on HVAC cooling equipment. For an understanding of the possible savings for you...

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 stre...

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

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...

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 C...

Thermatech® technology in COLORBOND® steel is used to enhance the Total Solar Reflectance (TSR) of homes as well as commercial buildings. COLORBOND® Coolmax® steel in Whitehaven™ has the highest TSR in our product range, and has been...

COLORBOND® Coolmax® steel is not offered in Ultra as part of the introductory offer. However if you require higher performing corrosion resistance, please contact a supplier of COLORBOND® Coolmax® steel or BlueScope Steel to check availabi...

The cooling energy savings associated with COLORBOND® Coolmax® steel have been quantified in our own BlueScope Steel building study. This involved comparing the relative running costs of three identical insulated buildings, the only differen...

The solar absorption value of COLORBOND® Coolmax® steel in Whitehaven™ is 0.23. To see the comparative values and BCA ratings of the complete COLORBOND® steel range, check our colour classification guide....

Post-applied solutions may initially have a higher Total Solar Reflectance (TSR) value, however studies suggest that the solar reflectance of COLORBOND® Coolmax® steel may be greater in a very short period of time due to its excellent mainte...

Yes, please visit www.steelselect.com.au for information.

COLORBOND® Coolmax® steel is available in three introductory sizes: 0.42 x 940mm and 0.48 x 940mm for roofing, and 0.55 x 1200mm for accessories.

Years of extensive testing have been completed to ensure COLORBOND® Coolmax® steel maintains all of the quality and durability benefits of COLORBOND® steel. This includes the assessment of physical properties, accelerated corrosion and outdoor...

The position of most commercial and industrial roofs mitigates the likelihood of roof glare because they are often high-set with a low pitch so they are rarely seen from the ground and the surface has very little impact. Roof glare complaints are commonly...

The Total Solar Reflectance (TSR) value of COLORBOND® Coolmax® steel in Whitehaven™ is greater than COLORBOND® steel in standard colours by between 9% and 52% depending on the selected colour.

Yes, COLORBOND® Coolmax® steel is produced to AS2728.

The product will perform similarly to COLORBOND® steel in Surfmist® and can therefore be used in any application where that product has been considered suitable. Both COLORBOND® Coolmax® steel in Whitehaven™ and COLORBOND® st...

Yes. As with other bright and light-coloured materials, consideration should be given to visual amenity, particularly in hilly terrain where the roof can be viewed by neighbouring properties to the south and above.

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...

COLORBOND® Coolmax® steel helps reduce the surface temperature of a roof, which can translate to a cooler room temperature. A BlueScope Steel building study found that the insulated building with COLORBOND® Coolmax® steel in Whitehaven®...

Generally, a metal roof will stand up well to hail storms. The roof sheeting will absorb the energy of the hail stone and remain structurally sound. However, indentations may occur along with loss of the paint topcoat. In most cases indentations from...

It is recommended that ZINCALUME® steel not be heated above 200°C. GALVALUME® steel (Zn-Al alloy coated, resin free) should not be heated above 350°C. It is recommended that zinc coatings not be heated above 250°C. COLORBOND® st...

COLORBOND® steel incorporating Thermatech® technology provides a new level of thermal protection for houses & commercial buildings constructed in Australia. This leading edge technology works by absorbing less heat from the sun and therefore p...

A number of builders have display homes across Australia featuring COLORBOND® steel. You can find your closest from our display home locator.

The Building Code of Australia (BCA) has classified roof colour into light and dark on the basis of their solar absorptance. The lighter complying colours qualify for a Deemed to Satisfy insulation concession. The New South Wales Building and Sustainabili...

Standard COLORBOND® steel is the product you're most likely to see on the majority of applications and locations across Australia. However, there are some environments and applications for which it isn't suited, and for these BlueScope Steel ha...

A whole range of products are manufactured by a number of rollformers using our COLORBOND®, ZINCALUME®, GALVASPAN® and DECKFORM® steels. You can find technical details and CAD files for the major rollformers from SteelSelect.com. Stee...

Prices will vary depending upon the manufacturer you choose.  BlueScope Steel makes COLORBOND® steel as flat sheet rolled into coils.  It's our rollformer customers who turn this 'raw' material into the various profiles and product...

Using thermally efficient roofing materials like COLORBOND® steel can help reduce your cooling costs. In summer, a lightweight insulated roof made from COLORBOND® steel can assist in minimising the amount of heat radiated into your home at night. ...