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Trimdek ZINCALUME Trimdek Diagram Trimdek Span Table

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TRIMDEK ZINCALUME® roof sheets are a cost effective alternative to clip down roofing sheets.

When fixing into timber battens, we recommend a 12 gauge x 65mm fastener. 

Delivery takes approximately 3 - 4 days.  

Purchase TRIMDEK® ZINCALUME® Roofing 


Trimdek is used on roofs with a minimum of 2 degree of fall or greater.  It is a 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, wall or roof applications.

Cover width of sheet - 762mm (same cover as corrugated iron)

Made in Australia from Australian Bluescope 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. 


The neatest way to cut the roofing sheets is with tin snips, which are available online in our store. Don't forget to turn up the pans/valleys on your roofing iron at the high end of the roof, to stop wind driven rain and pests entering the roof cavity. The TRIMCLAD iron is made in Australia using Bluescope steel.

Metal Roofing Online - An Established Australian Zincalume roofing and steel building products supplier.

Zincalume has achieved a good reputation over the years due to its great benefits. In fact, it's recognised worldwide as a viable roofing material for all types of roof construction applications. This roofing material is available in various mix of designs, panel sizes, seam profiles, and rib heights to provide many versatile and flexible uses. Zincalume roofing is an excellent roofing option for a number of compelling reasons: Lasts longer With many years of study and testing, Zincalume steel has been proven to reliably stand up to all of the elements. Due to its sturdy construction, Zincalume steel is corrosion-resistant and lasts almost four times that of galvanized steel. This ensures lifetime savings for property owners. Environmentally-friendly: Zincalume Steel is recyclable hence it helps to reduce the negative environment impact that other roofing materials have. Utilising advanced technology, Zincalume steel has an aluminium coating that makes it tougher and more resistant to scratches during installation. Cheaper: Zincalume steel is cheaper compared to other steel roofing products hence it easily fits any budget. Zincalume roofing is efficient in maintaining favourable internal temperature and its easy to clean. You can enjoy all these benefits by ordering your Zincalume roofing from Metal Roofing Online. With more than 25 years of roofing experience, Metal Roofing Online supply a high quality range building materials.What makes Metal Roofing Online the best Zincalume Roofing suppliers in Australia? They do not compromise on quality. Their Zincalume roofing products are made only by BlueScope Steel, meaning they are of superior quality. Their Zincalume steel is proven to withstand the rigours of various climatic conditions.Furthermore, their products are made from trusted Australian Bluescope Steel, covered by warranty. Lowest prices: Their metal roofing products are quite affordable considering the superior quality they deliver. Customers can trust Metal Roofing Online for both quality and economy. Easy and secure online ordering: Customers can conveniently place orders on their website. The supplier takes a number of credit cards. Alternatively, customers can deposit funds directly in their account. Fast delivery: Metal Roofing Online delivers customers' orders quickly. It only takes 2-3 days for a customer to receive their order. With all these benefits ,its highly beneficial to purchase your Zincalume roofing from Metal Roofing Online.