If you’ve been researching metal wall cladding in Melbourne, you’ve probably come across headlines about combustible cladding fires and building rectification programs. It’s a reasonable thing to be cautious about. Nobody wants to find out after the fact that their building doesn’t meet current fire safety requirements. The short answer, though, is that aluminium cladding is safe, legal, and widely used across Australia. The confusion almost always comes down to which type of aluminium product is being used, not aluminium as a material itself.
Is Aluminium Cladding Actually Safe and Compliant in Australia?
Yes. Aluminium itself is classified as a non-combustible material. The Australian Building Codes Board (ABCB), which administers the National Construction Code (NCC), lists aluminium and aluminium alloy among the materials deemed non-combustible wherever a non-combustible material is required on a building’s external wall. This sits under clause C2D10 of the NCC, the Deemed-to-Satisfy provision that governs external wall construction for buildings of Type A and Type B construction. That generally covers multi-storey residential, commercial and public buildings.
Lower-rise homes and smaller buildings fall under different provisions again, so it’s worth checking what applies to your specific project rather than assuming one blanket rule covers everything.
So where did the “cladding crisis” actually come from, if aluminium itself is fine?
Not from aluminium sheet or solid aluminium panels. It came from one specific product: aluminium composite panels (ACP) with a polyethylene (PE) core. ACP is made by sandwiching a core material between two thin aluminium skins. The Victorian Building Authority (VBA) explains that this core can contain varying amounts of polymer, and the higher the polymer content, the greater the potential for fire to spread up a building’s façade. It was this core material, not the aluminium skin around it, that was implicated in fires such as Melbourne’s Lacrosse building in 2014 and London’s Grenfell Tower in 2017. Both incidents prompted a wave of regulatory change across the country.
In response, Victoria introduced a Ministerial Declaration prohibiting the use of ACP with a core of less than 93% inert mineral filler in external wall systems on buildings of Type A and Type B construction, alongside certain expanded polystyrene products. Every other Australian state and territory has since introduced its own version of this restriction, layered on top of the national baseline set by the NCC. None of these rules target aluminium as a material. They target one narrow category of composite product with a specific core composition.
What this means in practice for anyone specifying or installing cladding:
- Solid aluminium cladding, with no core at all, is fully compliant and doesn’t raise a combustibility question.
- ACP with a non-combustible, mineral-filled core is compliant, provided it’s been tested and documented for the specific product supplied.
- ACP with a polyethylene core is restricted under state-based rules, and reputable suppliers stopped offering it for wall applications years ago.
Put simply, it was one narrow category of product that caused the problem, not the metal itself. Aluminium remains one of the most common and well-regarded cladding materials used across Melbourne and the rest of Australia today.
The Different Ways Aluminium Cladding Is Used in Melbourne
Once you know what to look for, aluminium cladding comes in several distinct formats, each suited to different budgets, building types and finishes.
Solid aluminium panels (SAPs): A single sheet of aluminium with no core material at all. Because there’s no core, there’s no combustibility debate to resolve. It’s a straightforward, fully compliant option that’s popular where certainty matters most.
Aluminium composite panels (ACP): Two aluminium skins bonded to a core, available in a few configurations depending on what’s inside: standard polyethylene cores (now largely phased out for wall applications), fire-retardant cores blended with mineral filler, and higher mineral-content cores that can achieve a non-combustible classification when tested.
Standing seam and interlocking systems: Aluminium sheet formed into panels with raised or interlocking seams. These allow for thermal movement while creating a clean, continuous line across walls or roofs, including curved or angled surfaces where a flat panel wouldn’t work as well.
Cassette panel systems: Pre-formed panels fixed to a supporting frame using concealed clips, giving a flush, joint-free finish with no visible fixings. Individual panels can often be replaced without disturbing the surrounding wall.
Perforated aluminium Sheet punched with a pattern of holes, typically used for screening, shading or decorative façade elements where some light and airflow through the material is desirable.
This range is part of why metal wall cladding in Melbourne has become such a popular choice for architects, builders and homeowners alike. There’s a compliant, design-appropriate option for almost any project, from a single-storey home to a multi-storey commercial build.
How to Make Sure the Aluminium Cladding on Your Project Is Compliant
A few practical checks go a long way toward avoiding issues down the track.
- Ask for the AS 1530.1 test report. Request the specific product’s current test report from a NATA-accredited laboratory. This is the standard used to determine whether a material is genuinely non-combustible, and it should be specific to the exact product being supplied, not a general claim about the product category [1][2].
- Confirm your building class. Requirements differ for low-rise homes compared with multi-storey buildings, so it’s worth checking what applies to your project before locking in a product choice.
- Work with an experienced installer. Someone who understands these distinctions, rather than assuming “aluminium is aluminium,” is what keeps a project compliant from the outset and avoids costly rework later on.
Winding Up
Aluminium cladding has a long, proven track record in Australian construction. The issue was never the metal. It was a handful of composite products with combustible cores that made headlines and prompted a genuinely necessary regulatory response. With the right product and proper documentation in place, aluminium remains one of the most durable, design-flexible and compliant cladding choices available today.
At Studio Clad, this is exactly the kind of detail we work through with every project we take on, from choosing the right profile for your build to making sure what goes on the wall is fully compliant with current regulations. If you’re weighing up your options, get in touch with our team to talk through what’s right for your project.