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COLORBOND® TRIMDEK® Roofing Sheets .42 - Victoria Trimdek Diagram Trimdek Weight COLORBOND® Trimdek Span Table Trimdek Span Diagram Trimdek Fasteners Application

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For use on roof pitch of 2° or greater.

This roofing profile is a long spanning cladding permitting wide support spacing & is a versatile, strong yet lightweight profile.

What is the sheet cover?
Cover width is 762mm. Actual sheet width is 820mm.

What is the steel thickness?
.42 BMT is the standard thickness of our BlueScope Steel sheets. A thicker .48 BMT COLORBOND Trimdek sheet is also available. 


Which fasteners do I use for installing the roofing sheets?
Here at Metal Roofing Online, we only use and recommend 12 x 65 timber fix fasteners when installing your roof sheeting as they last considerably longer in the elements. These are able to colour matched to your sheets. 


How long does delivery take?
Delivery takes approximately working 3 - 4 days once the order has been placed. 


How much should I allow into the gutter?

It is usual to allow roof sheets to overlap into gutters by about 50mm. If the roof pitch is less than 25° or extreme weather is expected, the pans of sheets should be turned-down at lower ends, and turned-up at upper ends by about 80°. Turn your Trimdek Sheets up or down using this Trimdek Tool


We use only the best 100% Australian steel for 100% peace of mind; made from BlueScope’s industry-leading brands such as COLORBOND® and ZINCALUME® steel. And, of course, all our products are extensively performance tested, backed with the strength of the BlueScope warranty and can be relied on with total and absolute confidence. 


Also known as: Trimclad, Superdek and Monoclad Trimdek metal roofing sheets are used on roofs with a minimum of 2 degree of fall or greater.  It is screw down metal deck roofing iron, which makes it very easy to install. These roofing sheets are a cost effective alternative to Klip-Lok roofing sheets. It sits well in both domestic and commercial applications.

Steel thickness - .42 BMT

Cover width of sheet - 762mm (same cover as corrugated iron) The neatest way to cut the roofing sheets is with tin snips.

Your home is likely to be your biggest financial investment and your largest asset. Having a BlueScope warranty covering the important steel building products in and around your home is an investment in peace of mind.

COLORBOND® steel is developed for, and therefore more resilient to, the severe sunlight and temperatures typical of Australian environments. BlueScope scientists have tested COLORBOND® steel in some of Australia’s harshest climates. 

Rest assured that COLORBOND® steel is guaranteed to meet relevant Australian standards. Make sure you look for the brand as not all painted steel is genuine COLORBOND® steel.



Recommended Fastening Method

When fixing into timber battens, we recommend a 12 gauge x 65mm Type 17 Hex Head screw. If fixing into steel purlins, please use a 12 gauge x 55mm Steel Fix Hex Head screw. When using the sheets as wall cladding, a 12 gauge x 25mm Type 17 Hex Head should be used for timber battens and for steel purlins, a 10 gauge x 16mm Steel Fix Hex Head screw is best.



Trimdek, in particular, pertains to square-fluted steel cladding that is available in long lengths. This means that one sheet can be used from ridge to gutter without having any end laps. Trimdek is remarkably strong (it can easily recover from deformation), it has excellent spanning capacity, it is lightweight, and it is properly rigid. And of course, it is available in a wide variety of colours that Colorbond roofing steel is well known for — earthy colours that reflect Australia's distinct landscapes.

Keep in mind that your house needs as much care and attention as its other features do. By choosing the best materials, like Trimdek roofing, your home can truly show your neighbourhood what a stunning mix of beauty and function truly looks like.
















Selecting the best roofing style for your home and work place is the most amazing way to cultivate your time and resource. The type of roofing option entirely determine the general beauty of your home and it is advisable to have the best selection that exists in the market and COLORBOND® Trimdek or ZINCALUME Trimdek is the best solution just for you. This amazing product comes with beautiful features which not only guarantee comfort and luxury finishes, but it’s different blends and design will leave the onlookers to gasp with astonishment. This roofing design is ideal for both industrial, residential and commercial buildings thanks to its unique versatile roofing, trapezoidal ribs, and bold cladding wall features. We offer the lowest prices, Fast delivery and we sell trusted COLORBOND Australian BlueScope steel roofing products. Its technical features include: • 762mm by 29 mm schematic design. The length sheets are supplied with already provided maximum and minimum threshold range as per the standard acquisition length of the firm. This can be obtained from the trade manual list or you can contact your nearest TRIMDEK office for assistance. The material has a great tolerance with length; +0mm, -15mm and width; +4mm, -4mm. It complies with the international standards and uses the next generation aluminium, zinc, and magnesium alloy coated. Trimdek roofing comes with standard and best paints with minimum yield strength of 550MPa and coating mass of 100g/m2. For those individuals who hoard at the coastal regions or industrial environment, the company has also set rigid measure which entirely complies with these environs bringing on board a higher coating mass of 150g/m2 and not forgetting the pre-painted stainless steel.



Tips for Choosing the Right Colorbond Roofing Colour

Choosing your roof colour is as important as choosing the material and type to use for roofing. Whether it’s a new home or a structure that needs roof repairs or replacement, Colorbond steel provides various options for home owners. Colorbond roofing products are manufactured according to Australian standards. They are tested in the laboratory and under outdoor conditions to ensure their durability. Why Choose Colorbond:Colorbond steel roof consists of five layers of protection: The steel base is manufactured under strict adherence to match the required grade and strength. The base is then coated with metallic coating, incorporating the Activate technology which provides resistance to corrosion.  The pre-treatment layer is applied. The corrosion inhibitive primer is applied next on the surface. The topcoat, made of specially developed, exterior grade paint, is applied as finishing. How to choose the right colour: Consider the location and the surrounding landscape of the house. When choosing a Colorbond roof colour, consider where your house is located. If you live in a coastal area, subdued blues or sand colours are ideal to use because they complement the ambience of the seaside. The most commonly used colours in such locations are Evening Haze, Windspray, Deep Ocean, and Sandbank. If you live in a rural area, surrounded by beautiful green landscapes, muted earthy tones are recommended. And for the more urban area, striking colours are preferred. Consider your exterior home design and materials used. It is also essential to match your roof colour with the overall design and look of your house. This will tie everything together and create consistency with the prominent features of the house such as the fence, garage, downpipes, and window frames. Consider the size and angle of the roof.These are also important factors to consider when choosing a colour. Choose mid-tone or mid-range colour if the roof is a dominant feature in your property so that it doesn’t overpower the whole look of the house and property. Consider seeking help from experts Choosing the roof colour is not something you ought to do by yourself, especially if you are no expert on the subject matter. Seeking help from experts on what colour will work best considering several factors, the best material to use, and the right people who will install the roof will help make the project a success. Identify the extent of your knowledge and skills and know when to call for professional help to avoid more expensive fixes or to prevent any mistakes or possible damage as a result of a DIY project that has gone wrong. Insulation – Installing corrugated iron roofing provides excellent insulation. For those living in cities where the sizzling rays of the sun fall during summer, this roofing material can be very helpful. It can reflect the sun’s rays and prevent them from entering your home, thereby keeping your abode cool during the hot season. Affordable – Iron roofs are some of the cheapest roofing materials in the market today, bearing in mind the many great benefits it offers. No wonder, many homeowners consider using this for their properties.


COLORBOND® Roofing Services 

There are many things you need to put into consideration before you decide on how to outfit your home with a new roof. You want to make sure that the roof you purchase is made exactly according to your specifications and it is possible that you will have your idea on how that should be. A good roof design is one that is built with very strong and durable materials, sold at a relatively decent price, and built to withstand environmental damage for a very long time. Hiring COLORBOND® Roofing is important if you want to get the most bang for your buck. Here are tips that will help to hire the best from our metal roofing company: Purchase your COLORBOND® roofing from Metal Roofing Online. You can browse online to home tips web pages, as we provide free service of finding our local metal roof installers, repair, or help. Trusted Australian BlueScope Steel, covered by warranty. An excellent roofing company provides a warranty service. This would cut the price that may be used shortly for the renovation of your roof in case of damage. Our company offers free repair services while others offer to change everything. Easy, secure online ordering The first consideration you will need to look for a company that is easily accessible by phone or even online. COLORBOND® Roofing offers an online ordering service wherein you can conduct a customer for more information, therefore, saving you more time and effort from going to their office.  Fast delivery: Our company offers a 3 - 4 day delivery to all our customers. Lowest prices: Our company offers roofing services at the lowest prices. Our services are excellent from local roofing businesses to big hitters, and our company has been there for several years providing quality service delivery.



High-Quality and Durable Metal Roofing by Trimdek

A good quality roofing not only provides a great shelter for people inside a home but protects the structure from various climate conditions too. So it is very important to choose a high-quality roofing system that can guarantee durability and efficiency in a long run. At Metal Roofing Online, you can expect good quality and variety of roofs for your home or commercial structures. There are plenty of benefits that you can avail when you choose our roofing services. Lowest Prices in the Market: When you choose Metal Roofing for services such as roofing, flashing, guttering, etc, you can expect to save a huge amount of money. We guarantee you lowest prices on a wide range of superior quality products. We understand quality and durability is as important as pricing and we do not compromise on those factors, whatsoever. No matter what kind of roofing products and service that you choose, you are sure to get the lowest price in the whole of Australia. Quick delivery of products: We understand when you need something, you just need it as fast as you can. So at Metal Roofing, we ensure you do not wait for long before you get your order at your doorstep. We provide fastest delivery time so you can get your roof fixed or new ones installed quickly without much delay. Thus you can expect to save a great deal of time along with your money as well. This helps you to finish your construction work or repairs at a much faster pace. The delivery is 3-4 days but we work best to get it to you in quickest possible time. Trusted Brands:  A good brand of roofing company can add more life to your investment and can withstand any rough weather condition as well. We deal with superior brands like Trimdek that is tested and certified by COLORBOND® Australian BlueScope steel for quality and efficiency. So you can easily rely on our products when it comes to durability, finishing, and sturdiness of roofs. 25 Years Experience: We at Metal Roofing come with a rich experience of 25 years in dealing with various roofing products. So we understand what it really takes to survive that long in this competitive world. And that is the code we live and serve by, which we never compromise. With so much experience, we have strong knowledge on every tiny detail of various roofing products and their brands. So whatever we have in store for you is only the best and we can confidently say that with our experience.