Redcor Formboss Garden Edging


Regular price $0.00 $33.90 Sale

Introducing BlueScope® REDCOR® steel, the Australian Made “corten” weathering steel

For that organic rustic look:

Weathering steel is often generically referred to as “corten” due to the long standing trademark COR-TEN® owned by U.S. Steel. In 1935 this copper steel alloy was developed to eliminate the need for painting large bridge structures. “corten” steel forms a stable rust-like appearance when exposed to the weather.
Until recently “corten” steel was only available as a hot rolled imported product. The quality and source at times being highly variable.

FormBoss  is privileged to now lead the market in supplying REDCOR® steel as a replacement to imported weathering steels. Proudly made in Australia by BlueScope®, REDCOR® steel is cold rolled and has been specifically developed for Australian harsh conditions. Its cleaner to work with and displays an overall better uniform finish than imported alternatives.

This steel has an increased resistance to corrosion as it forms a protective layer of oxide on its surface which regenerates as required over the steels life.

REDCOR® steel will appear light grey almost polished when first purchased off the shelf. This is simply because it is supplied to us with a thin film of oil on the outer layer, ensuring it doesn’t start rusting on the shelf. It will take anywhere from a few weeks to 4 months to get an even coating of rust.

This is what it looks like before exposure to weather.



REDCOR® steel will appear blotchy for several months before you get a nice even coating of colour. Slight variations in colour will occur, this is due to differences in soil, air conditions and can vastly vary depending on your location. Colours can range from dark orange to a rich dark brown. Over time it will continue to darken until you are left with a stunning, textured brown. 

Above picture: Paal Grant designs Melbourne International Flower & Garden Show Gold Award Winner

Since the release of our weathered “corten” steel edging it has fast become one of our most popular ranges, notably in our large profile heights. These can be used not only as small retaining walls but also able to be manufactured to create raised garden beds and circular tree surrounds, with our experienced special production team able to produce elaborate custom shapes, there is no limit to what we can create.

Gauges Available: 1.6mm & 2.0mm. See our gauges page

Heights Available: 75mm, 100mm, 150mm, 185mm, 230mm, 290mm, 390mm, 580mm and 850mm (available only in standard sized rings) See our profile page



We have an edge for just about any application

People all over Australia are using FormBoss™ to compliment their designer gardens and parklands.


FormBoss™ is stronger than aluminium and traditional edging materials. It holds its shape for many years and we have options to suit all types of strength requirements.


Create the shapes you want, from intricate curves to endless straight lines, even right angle bends without a cut and join. Create flawless arches down to 400mm radius on site with our rubber forming strip, or down to 650mm radius without it!


Create a seamless line with virtually invisible joins. All fixings are concealed under the soil level. You end up with distinguished clean lines and clear contrasts throughout your design, every time.


Steel does not crack, split, rot, dint or invite termites or pests and we guarantee all our edging systems for at least 10 years! It will also stay in shape better than most edging systems.


The rolled top lip on all of our systems conceals the connectors and stakes, and leaves you with a rounded top lip that’s completely safe for both kids and pets. We have sold edging to many different schools Australia wide.


Suitable for footpaths, driveways, retaining walls, garden beds, tree rings, planter beds, water tank bases, formwork, grass barriers, creative gardens and steps. We supply three finishes, eight different heights and three different gauges (steel thicknesses), you’re only limited by your imagination


Cheaper than plate steel, aluminium and concrete edging. FormBoss™ will save you from reinstalling the same traditional edging systems every couple years or so, so you will actually save money and backache by installing FormBoss™ just the once.

Easy to Install

Anyone can do it! No experience necessary. Take a look at our installation video, it’s much easier than you think. Doesn’t matter whether you’re installing into an existing garden or starting from scratch.


Fantastic Range

  • Heights available: 75mm, 100mm,  150mm, 185mm, 230mm, 290mm, 390mm and 580mm.

  • Lengths are 2.44m.

  • Choice of 1.6mm, 2.0mm or 2.5mm gauge steel.(Not all available in all finishes)

  • FormBoss™ comes with a 5.5mm, 6.5mm or 7.5mm rounded top safety edge depending on your gauge.

  • Available in 3 different finishes including galvanised, REDCOR® steel, or exclusive ZAM® steel.

  • Or paint your steel whatever colour you desire, click here to find out how.

Find out how simple our systems are to install   Simple to install


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