Australia’s modular and prefabricated construction sectors are facing fresh uncertainty as the nation’s Anti-Dumping Commission launches an investigation into light gauge steel stud and track (LGST) imports from China. The inquiry, announced on 30 June 2025, follows claims that Chinese manufacturers are dumping these products on the Australian market, potentially threatening the local steel framing industry and raising broader concerns about cost pressures and supply chain resilience.
What triggered the investigation?
Rondo Building Services Pty Ltd, a well-established local manufacturer of steel framing systems, initiated the complaint. The company alleges that exporters from China are selling LGST products below their normal market value, a practice known as dumping. Rondo also claims these exports are being supported by unfair government subsidies, creating an uneven playing field for Australian manufacturers.
At the heart of the matter are metallic-coated light gauge steel studs and tracks. These components are essential for framing internal, non-loadbearing walls, particularly in modular and prefabricated construction where speed, precision, and weight savings are critical. The products in question are cold-formed from zinc-coated or aluminium-zinc-coated steel, with profiles up to 170 millimetres and base metal thickness up to 0.69 millimetres.
Importantly, medium and heavy gauge studs and tracks, noggings, and flexible track systems are excluded from this probe.
The potential impact on the construction sector
If the Commission finds evidence of dumping or countervailable subsidies, and if these practices are deemed to have caused material injury to Australian industry, trade remedies such as duties could be imposed on Chinese LGST imports. This would likely result in cost increases for modular and prefabricated builders who rely on imported steel framing for competitive pricing and predictable supply.
The construction industry, already grappling with material price inflation and supply chain volatility in recent years, may face further disruption. For builders and suppliers focused on modular and prefabricated solutions, the affordability and availability of LGST is critical to delivering efficient, cost-effective projects.
Timeline and next steps
The Commission’s investigation covers imports between 1 April 2024 and 31 March 2025, with injury assessment looking as far back as April 2021. Submissions from interested parties, including builders, suppliers, and importers, are due by 6 August 2025. The Statement of Essential Facts is expected by 20 October 2025, with final recommendations scheduled for submission to the Minister for Industry and Science by 2 December 2025.
These milestones give the industry limited time to make its case — whether to argue against trade remedies due to supply chain dependencies, or to support protective measures that back local manufacturers.
Key questions for builders and suppliers
The investigation prompts several critical questions for those in the construction and supply sectors:
- How reliant is your business on imported light gauge steel studs and tracks, particularly from China?
- Do you have alternative sources of supply, either local or international?
- How might duties on LGST imports affect your project costs, timelines, and margins?
- Are you engaged with industry groups or making submissions to the Commission to have your voice heard?
For businesses that have built their modular or prefabricated models on price-competitive imported steel, the outcome of this probe could signal a need to rethink procurement strategies and supplier partnerships.
Looking ahead
While anti-dumping investigations are designed to protect local industries from unfair competition, they often create knock-on effects that ripple through the supply chain. In this case, Australia’s construction sector will be watching closely to see whether measures introduced to protect manufacturers like Rondo will come at the cost of higher prices and tighter supply for modular and prefabricated builders.
Ultimately, this situation reinforces the importance of supply chain resilience and diversity. Builders and suppliers who can anticipate and adapt to changes in trade policy and material availability will be better placed to navigate the months ahead.
Does this affect you?
Are you a builder, supplier, or industry professional who relies on light gauge steel studs and tracks? How could this investigation impact your projects, pricing, or supply chain?
We want to hear from you. If you have a comment, insight, or experience to share, get in touch with The Good Builder. Your voice helps us report on what matters most to the industry.
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