Coating Strength for Over 50 Years
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Steelscape steel provides strength and beauty for many leading light-gauge construction products, including metal roofing and siding. Our capabilities include metallic coating, pre-painting and embossing.
Steelscape builds customer partnerships through proven quality and a responsive service culture. Our broad value-add capabilities and single bill service offer enable our customers to succeed.
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ZINCALUME® is a revolutionary metallic coated steel manufactured by Steelscape which provides unmatched durability and corrosion performance. Known by the trade name Galvalume®, this coating consists of an optimized 55% AluminumZinc metallic coating over steel which offers up to a 60-year service life in exterior applications. ZINCALUME can be readily formed into a variety of end products and is commonly used as a material of choice for metal roof and wall products, enabling building designers to build once and roof once.
Steelscape&#;s Red Cedar offers the warmth and natural beauty of wood combined with the durability of metal. Compared to wood, metal is fire resistant, rot resistant, termite resistant, and easier to maintain.
Steelscape&#;s Woodgrain offers the warmth and natural beauty of wood combined with the durability of metal. Compared to wood, metal is fire resistant, rot resistant, termite resistant, and easier to maintain.
TruZinc galvanized steel applies a proven metallic coating of zinc to steel to provide trusted corrosion protection. Applied using Steelscape&#;s advanced production processes, TruZinc pairs proven performance with unmatched product quality and consistency. TruZinc Steel is an exceptionally versatile product and is ideal for a range of applications including metal roof and wall products, HVAC ducting, lightweight framing and decking, and other building accessories.
ReziBond is a unique tinted resin coating applied over Steelscape&#;s TruZinc® steel to produce a surface ideal for field painting. Exclusive to Steelscape, our extensive product development has created a product that is ideal for post-painting yet also offers improved lap seam adhesion strength, solderability and sealant compatibility. For product manufacturers, ReziBond offers exceptional adhesion during forming. Rezibond is mill-applied to provide outstanding product quality.
Steelscape produces a kaleidoscope of vibrant metal colors ideal for metal roofing, siding, and other metal accessories. Steelscape supplies these metal colors direct to a broad network of leading metal product manufacturers.
Steelscape offers our robust paint system Spectrascape, in addition to a wide variety of other paints and finishes from leading paint vendors. Spectrascape colors offer a broad color palette, excellent durability, and long finish warranties.
With rapid prototyping capabilities and extensive color expertise, Steelscape can develop and manufacture custom metal designs specific to customer requirements. Ideal for metal roofing and siding applications and other metal products, including metal tile products, custom walk in coolers, and custom metal buildings.
Steelscape&#;s custom products offer architects broad design flexibility, and provide product manufacturers with the perfect custom design to stand out from the competition.
If you want increased durability and corrosion resistance, coated steel is the answer.
But choosing the right steel coating is often where you can come unstuck.
And that&#;s because there isn&#;t a simple answer to choose which is the best option for your project.
At Edcon Steel we offer both painting and galvanising for steel fabrication projects.
But which you choose will depend on a range of factors&#; and there are pros and cons for each.
Generally speaking, for structural steel that will be located outdoors or exposed to the elements, galvanising offers long-life, low maintenance, cost-effective industrial protection.
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However, galvanising is a metallic finish that is not always smooth or blemish free, which can result in a non-uniform and inconsistent coating.
If you need a particular coloured finish or smooth and even finish, then painting is the only way to achieve this.
In fact, painting is the preferable option where:
Your steel coating shouldn&#;t be an afterthought. The time to consider which coating option to use is at the start of the job, before you place your order.
And we strongly recommend that you discuss the coating requirements with your designer or refer to the relevant Australian Standard.
Coating of Structural Steel is covered by AS: Guide to the protection of structural steel against atmospheric corrosion by the use of protective coatings.
This standard will help you to consider the design life for your project as well as the environment your project is subject to. There are two major categories of coatings and hence the standard has two parts:
The process of galvanising steel has been one that has stood the test of time, and for good reason. The chemical bonding of the protective coating (zinc) to the substrate (steel) makes the coating durable, strong and long lasting.
And &#; unlike painting &#; galvanising requires no maintenance for up to 10 years in &#;normal&#; situations. Painting, on the other hand, requires annual &#; or more frequent &#; maintenance regimes to stop the build-up of harmful chemicals on the painted surfaces.
The vast majority of galvanised steel work is done using hot-dip galvanized (zinc) coatings.
However, it&#;s not as simple as that&#; hot dip galvanising also has its pitfalls, the first of which is appearance. Some customers love the metallic silver finish but others find it harsh and industrial. Unfortunately for some, there is only one finish available.
The life of galvanising will also be severely affected by exposure to corrosive chemicals, mechanical damage, running or moving water (especially sea water), electrochemical corrosion through contact with incompatible materials and prolonged contact with certain chemicals.
Distortion can also be a problem with galvanising. The galvanising process heats the steel up to a temperature where the steel has about half of the strength it has at room temperature.
Any residual stress in the steel releases at the high temperature, causing distortion. Edcon Steel Managing Director, Hugh Edmunds, explains:
&#;We once fabricated a composite crane beam for a major water project. The beam needed to be straight and true, due to its application as a crane runway beam. &#;
&#;The nature of the beam ruled out galvanising as an option. We couldn&#;t risk possible distortion, so we were able to provide a comparable painting option.&#;
Not all paints are created equal. The performance of your paint system is only as good as the item the paint is applied to. Dirty, oily or rusty steel items can be painted&#; but they will not last nearly as long clean and properly treated steel. Surface treatment is a huge consideration. And it&#;s a consideration that can represent up to 50% of the costs of the coating.
Next, you&#;ll need to look at what paint to use. And it&#;s a choice you will make based on the environment the steel will be located in and how long you need it to last. For assistance with the selection of a suitable painting system, have a look at the summary from Dulux of AS: 2.
Here are some preliminary costs (ex-GST) to help you compare the options (as at 1 July ):