# Rockwool to build ₹550 crore insulation plant in Cheyyar, Tamil Nadu

Rockwool is building a new stone wool insulation manufacturing facility in Cheyyar, Tamil Nadu, with an investment of ₹550 crore. The plant will have an annual capacity of 50,000 tonnes and is expected to start operations in Q2 2026, creating over 150 direct jobs.

- Type: New facility
- Announced: 2025-09-24
- Where: Cheyyar, Tamil Nadu, India
- Value: $6.60M (550.0M INR)
- Jobs: 150
- Starts operating: Q2 2026
- Status: under construction
- Capacity: 50,000 tonnes per year
- Products: stone wool insulation
- Sectors: [Construction Materials](https://endata.com/sectors/construction-materials.md)

## Companies

- [ROCKWOOL Group](https://endata.com/companies/28145.md)

## Sources

- [thehindubusinessline.com](https://www.thehindubusinessline.com/news/rockwools-cheyyar-plant-to-start-operations-in-q2-of-2026/article70088557.ece), 2025-09-24: "This facility will enable us to meet rising demand for energy-efficient and fire-safe building materials while also creating meaningful employment in the region."

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