# Marioff expands Kerava fire protection factory with machinery and production upgrades

Marioff is investing in its main Kerava, Finland factory, which produces all key HI-FOG system components. Investments total about $3.8 million in 2025 and $3.7 million in 2026, and production volume has risen around 30%.

- Type: Expansion
- Announced: 2026-03-25
- Where: Kerava, Finland
- Value: $7.50M
- Status: under construction
- Capacity: Production volume up around 30%; about 300,000 sprinklers, 12,000 valves and over 1,000 pump units produced in 2025
- Products: sprinklers, valves, pump units, HI-FOG fire protection systems

## Companies

- [Marioff](https://endata.com/companies/14115.md)

## Sources

- [marioff.com](https://www.marioff.com/en/news/fire-protection-manufacturing-investment-to-support-growth-and-sustainability/), 2026-03-25: "We have increased our production volume by around 30%. This allows us to shorten delivery times and respond more flexibly to customer needs."

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