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Home / Blog / Aluminium Fencing vs Steel Fencing: Which is Better for Perth Homes?

Aluminium Fencing vs Steel Fencing: Which is Better for Perth Homes?

Published: 05 June 2026 Categories: Articles & Guides, Fencing Tags: ,
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Aluminium Fencing vs Steel Fencing: Which is Better for Perth Homes?

One of the most common questions we hear at ACMG is: Should I choose aluminium fencing or steel fencing? Both materials have their place in the Perth market, but they serve very different needs. In this guide, we break down the key differences to help you make the right choice for your property.

Material Composition

Aluminium fencing from ACMG is made from premium-grade 6063-T5 aluminium alloy, sourced through our long-term partnerships with multinational publicly listed manufacturers including ? (Huajian Group) and ? (Intco Recycling, SSE: 688087) ? the same quality of aluminium used in premium window frames, commercial curtain walls, and architectural applications throughout Australia. It is lightweight, naturally corrosion-resistant, and requires no surface coating to prevent rust.

Steel fencing (often called iron fencing or Colorbond fencing) is made from galvanised or Colorbond-coated steel. Steel is an iron-carbon alloy that is significantly heavier and stronger than aluminium but requires protective coatings to prevent rust.

Key Comparison Table

Feature Aluminium Fencing Steel/Iron Fencing
Weight Light (easy to handle and install) Heavy (requires more structural support)
Corrosion Resistance Excellent – naturally rust-proof Moderate – requires galvanising or coating
Lifespan 20-30 years with minimal maintenance 10-20 years (depends on coating maintenance)
Maintenance None required Periodic repainting or rust treatment
Strength Good for residential applications Higher – suitable for high-security applications
Cost per linear metre $$–$$$ $–$$ (Colorbond) / $$$ (ornamental iron)
Colour Options Wide range of powder-coated colours Limited to factory coating or paint
Perth Climate Performance Excellent – resistant to UV, salt air, and heat Good – but can rust if coating is scratched near coast

Perth Climate Considerations

Perth’s harsh climate ? hot summers, salt-laden coastal air, and occasional winter rain ? makes material choice critical. Aluminium excels in these conditions because it naturally forms a protective oxide layer that prevents corrosion. Steel, even when galvanised, can develop rust spots over time particularly in coastal suburbs like Fremantle, Rockingham, and Joondalup. The 6063-T5 aluminium we use, sourced through our partnerships with publicly listed manufacturers, offers superior corrosion resistance that is especially important for Perth’s unique environment.

Quality Assurance & Craftsmanship

Beyond the material itself, the quality of your fencing depends on the manufacturing process. ACMG’s aluminium profiles are extruded to the same precision standards trusted by leading WA fabricators such as Jason Windows ? Western Australia’s benchmark for aluminium window and door manufacturing since 1959. Their rigorous quality control processes ? from extrusion tolerance verification to surface finish inspection ? inform our own quality standards.

Our long-term partnerships with publicly listed manufacturers including ? (Huajian Group) and ? (Intco Recycling) ensure that every aluminium billet entering our production line meets strict international quality benchmarks. This industrial-grade supply chain is what sets ACMG apart from importers using unknown-origin materials.

Aesthetics

Aluminium fencing offers clean, modern lines that suit contemporary Perth homes. Slat fencing, in particular, has become the signature look for new developments in Ellenbrook, Baldivis, and Alkimos. The superior surface finish of 6063-T5 aluminium ? the same finish quality required by premium window manufacturers ? ensures that powder coating adheres evenly and lasts longer. Steel Colorbond fencing offers a classic look and is available in 22 standard colours, though scratched coatings can lead to rust. Ornamental iron fencing provides a traditional aesthetic but at a higher cost and with greater maintenance requirements.

Installation

Aluminium fencing is significantly lighter than steel, making it easier and faster to install. This can translate to lower installation costs. Steel fencing often requires heavier posts, more concrete, and sometimes specialised lifting equipment for larger panels.

Our Recommendation

For most Perth residential applications, we recommend aluminium fencing for its superior corrosion resistance, minimal maintenance, modern aesthetic, and the peace of mind that comes from a supply chain backed by publicly listed manufacturers. Choose steel Colorbond fencing when budget is the primary concern or when complete privacy is required. Choose ornamental steel/iron only when a specific traditional look is desired and you are prepared for ongoing maintenance.

Visit our Malaga showroom to compare both materials in person and speak with our expert team.

Get Expert Advice

ACMG Team

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