# Kaiser Aluminum expands heat-treat furnace at Trentwood plant

Kaiser Aluminum completed a $25 million expansion of a heat-treat furnace at its Trentwood plant in Spokane Valley, Washington, boosting output by 5%.

- Type: Expansion
- Announced: 2026-01-15
- Where: Spokane Valley, Washington, United States
- Value: $25.0M
- Status: completed
- Capacity: 5% output increase
- Products: aluminum plates, aluminum sheets, aluminum coil
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [Kaiser Aluminum](https://endata.com/companies/7296.md)

## Sources

- [inlander.com](https://www.inlander.com/news/making-aluminum-plates-sheets-and-coil-for-planes-and-other-uses-kaiser-s-trentwood-plant/article_4483704d-09da-44fb-8733-45b61b70a369.html), 2026-01-15: "After a recent $25 million addition, the facility expanded one of its heat-treat furnaces."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.