Its biggest Australian factory just hit a half-century, kept growing, and kept hiring locally. For builders, that continuity matters more than the milestone.
This year, the James Hardie plant at Carole Park, on the western edge of Ipswich in South East Queensland, turned 50.
That is a long time for any factory to keep running in this country. Australian manufacturing has spent the past few decades shrinking, closing, or moving offshore. A fibre cement plant that opened in 1976 and is still expanding in 2026 is not a small thing.
The site is now James Hardie’s largest manufacturing facility in Australia. It employs more than 300 people, and the company says over 80 per cent of them live in the surrounding area. The products made there end up on homes and projects across Australia and New Zealand.
On its own, a half-century is a nice story for a company newsletter. But there is a more useful read for builders sitting underneath it.
Why a factory anniversary matters to builders
Most builders do not think much about where their sheeting comes from until it is late.
Fibre cement is one of those materials that quietly sits in the background of a job. Cladding, eaves, wet area lining, floor substrate. It is everywhere on a residential build, and most of the time it just turns up when it is meant to.
The reason it turns up is supply chain. And supply chain is exactly the thing that fell over for a lot of builders during the COVID period, when materials were stuck on ships and prices moved week to week. Anyone who lived through that learned a simple lesson: where a product is made affects whether you can get it.
Where a product is made affects whether you can get it. Builders learned that the hard way over the past five years.
James Hardie makes its fibre cement at two Australian sites, Carole Park in Queensland and Rosehill in New South Wales. The company says more than 80 per cent of the raw materials for those products are sourced within 150 kilometres of the plants. Shorter supply lines mean shorter lead times, fewer points of failure, and less exposure to shipping and currency shocks.
For a builder planning a pipeline, that is the part worth paying attention to. Not the candles on the cake. The fact that a core material is still being made here, close to where it is sourced and close to where it is used.
The context that makes the milestone interesting
Here is what makes the timing worth a second look.
In July 2025, James Hardie completed an 8.4 billion dollar acquisition of the US outdoor living company AZEK. As part of that deal, the company shifted its primary listing to the New York Stock Exchange. Its management team is based in Chicago. The business is now, by any reasonable measure, a North American building products company with Australian roots.
When a company makes a bet that size on another market, the fair question for anyone relying on its local supply is simple. Does Australia still matter to them?
The Carole Park anniversary is one answer. So is what the company has been doing on the ground.
In June 2025, James Hardie broke ground on a new People Centre at the Carole Park site, a single-storey facility with upgraded workspaces, meeting rooms and amenities for the workforce. It is being built by Australian-owned contractor FDC Construction & Fitout, with completion expected around the middle of 2026. The building uses Hardie products through its cladding and internal linings. It is a modest project in the scheme of an 8.4 billion dollar acquisition, but it is local capital spent on a local site.
That follows a 90 million dollar investment in a new fibre cement plant at the same site, opened back in 2015. At the time, Carole Park employed around 165 people. It now employs more than 300. The trend line, at least at this site, points up.
Australian-made is being talked about again
Local manufacturing has crept back into the construction conversation over the past two years, and not by accident.
State governments are now putting money directly behind it. In May 2026, Western Australia committed 49 million dollars to back 15 local manufacturers making prefabricated wall frames, modular housing and factory-made components. The federal government has put money toward advanced manufacturing for prefabricated housing. The prefab and modular sector is being treated as serious industrial policy rather than a fringe experiment.
The thread running through all of it is the same idea: building more homes is not only about builders and trades. It is about whether the materials and components are available, on time, at a predictable price. Local manufacturing is one of the levers that makes that possible.
A fibre cement plant that has been running for 50 years is not new policy. But it is a working example of the thing governments are now trying to build from scratch. Reliable, local, at scale.
What this actually means for your business
None of this changes what a builder does on Monday morning. But it is worth holding onto a few points when you think about supply.
- Supply security has a value, even when it does not show up on a quote. A material made locally, from locally sourced inputs, is less likely to leave you waiting. That is worth factoring into product decisions, not just price.
- Global ownership does not automatically mean local neglect. A company can be run from Chicago and still invest in a Queensland plant. The signal to watch is not the share listing, it is whether they keep spending on the local site. So far, James Hardie is.
- Australian-made is becoming a selling point with clients, not just a supply consideration. Research has consistently shown most Australians prefer locally made products. If you are specifying materials, the origin of those materials is increasingly something clients notice.
The broader picture is still tight. The construction outlook for 2026 is soft, with the Australian Construction Industry Forum forecasting a contraction in total construction work done. In that environment, anything that reduces uncertainty in a build is worth more than usual. Reliable local supply is one of those things.
THE GOOD BUILDER TAKE
A factory turning 50 is not, by itself, news a builder needs to act on. What sits underneath it is.
James Hardie has just reshaped itself around the United States, yet its largest Australian plant is still growing and still hiring locally. That continuity is the real story. It says the local supply of a material you use on nearly every job is not going anywhere soon.
In a year where the forecasts are pointing down and uncertainty is high, knowing your core materials are made close to home, from inputs sourced close to home, is a quiet advantage. Worth keeping in mind the next time you are weighing up a product on price alone.
This article is general in nature and based on publicly available information at the time of writing. It does not constitute commercial or procurement advice. Builders should make their own assessments when selecting suppliers and materials.
Last updated: 18 June 2026
Your Questions Answered:
When did the James Hardie Carole Park plant open?
he Carole Park manufacturing site in Ipswich, Queensland, opened in 1976. In 2026 it marked its 50th anniversary and is now James Hardie’s largest manufacturing facility in Australia.
Where does James Hardie manufacture fibre cement in Australia?
James Hardie manufactures fibre cement at two Australian sites: Carole Park in Queensland and Rosehill in New South Wales, with its research and development facility based at Rosehill.
Is James Hardie still an Australian company?
James Hardie has Australian roots but is now headquartered overseas, with its management team based in Chicago and its primary share listing on the New York Stock Exchange following its 2025 acquisition of US company AZEK. It continues to manufacture in Australia and trades on the ASX via CHESS Depositary Interests.
Are James Hardie products Australian made?
James Hardie’s Hardie fibre cement range is certified Australian Made, with the company stating more than 80 per cent of its raw materials are sourced within 150 kilometres of its Australian plants.
How many people work at James Hardie Carole Park?
James Hardie says more than 300 people work at the Carole Park site in 2026, with over 80 per cent of them living in the surrounding local area.
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