# KLH Massivholz

founded 1997 in Styria, the CLT pioneer; reference projects include the 8-storey Pallars (42 apartments) and the 78 m / 20-storey TRÆ tower in Denmark.

Source: https://en.bioecon.ru/companies/klh-massivholz/
Updated: 2026-06-24

- Country: Austria

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Capacity | 125,000 m3 annually | https://www.credenceresearch.com/report/cross-laminated-timber-market, https://www.klh.at/en/, https://www.klhusa.com/ |
| Certification | CE-certified, EN ISO 14001, PEFC or FSC certified raw slats | https://www.klh.at/en/, https://www.klh.at/en/company/, https://www.klh.at/en/cross-laminated-timber/, https://www.klh.at/en/manufacture-assembly/ |
| Regulatory approval | European Technical Assessment, EN 15425 (adhesives) | https://www.klh.at/en/, https://www.klh.at/en/company/, https://www.klh.at/en/cross-laminated-timber/, https://www.klh.at/en/manufacture-assembly/ |
| Production site | Teufenbach-Katsch and Bad St. Leonhard, Austria | https://www.klh.at/en/, https://www.klh.at/en/company/, https://www.klh.at/en/manufacture-assembly/ |
| Headcount | approximately 30 to 67 employees [medium confidence] | https://www.firmenatlas.com/firma/334040k |
| Revenue | approximately $24.2 million USD (2026) or 2.7 million EUR net income (2024) [medium confidence] | https://www.firmenatlas.com/firma/334040k |

Independent sources: credenceresearch.com, firmenatlas.com, klh.at, klhusa.com

## Technologies

- [Timber construction & bio-building](https://en.bioecon.ru/technology/timber-construction-bio-building/)