KLH Massivholz GmbH is the market-leading manufacturer of large-format glued laminated timber elements, which meanwhile are used worldwide under the brand name “KLH” as structural wall, ceiling and roofing elements.

After several years of research and development work in cooperation with Graz University of Technology, numerous research institutions and audit authorities, the current production site was opened in 1999, and has been continuously expanded ever since. Meanwhile, the company has around 130 employees and produces an annual almost 650,000 m² of KLH solid cross-laminated timber boards. Thus, we, our customers and our distribution partners make a substantial contribution to a livable environment, and that we are proud of.

We limit our core competences to the essentials, and therefore see ourselves as experts for sustainable, innovative and efficient constructing with cross-laminated timber. Our service offer ranges from technical and static consulting via the development of project-specific details up to the production and delivery of accurately fitting elements. Our customers benefit from years of experience in the international project area and esteem us as a reliable partner, in particular for demanding projects.