Pioneers in the production of
cross laminated timber

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KLH®
since 1997.

We pioneered the manufacture of cross-laminated timber (Kreuzlagenholz – KLH®, CLT, X-LAM) and have developed the product in cooperation with the Technical University of Graz in 1996. After many years of research and development, we opened our production facility in Teufenbach – Katsch in 1999 and have gradually extended it. 

We operate internationally which is why our large-formate KLH® solid timber boards are not just used in Europe, but all across the globe as wall, ceiling and roof elements in structural timber construction. KLH Massivholz GmbH is fully owned by Johann Offner Unternehmensgruppe, a traditional family business with a history of more than 250 years.

Responsibility

KLH Massivholz GmbH and KLH Massivholz Wiesenau GmbH are committed to acting responsibly in terms of the environment, both internally and externally.

We emphasize the inseparability between quality, environmental protection and energy efficiency. Therefore, we have established an environmental management system according to EN ISO 14001 and anchored it in our quality management.

WE ARE COMMITTED

  • To the conservation of resources by sourcing our raw material from sustainably managed forests
  • To the environmentally friendly use of technologies and manufacturing processes
  • Minimizing CO2 emissions through efficient procurement and sales logistics
  • To increase energy efficiency by using by-products for our own energy supply
  • Actively avoiding and minimizing waste
  • To reduce pollutants and emissions
  • To protect soil, water and air

Our
Services

Our service offerings range from general technical advice, structural pre-measurement of KLH® solid timber boards, the assessment of building components from a structural physics perspective all the way to the development of project-specific construction details. Research and development have always accompanied us in the process. Upon request, we also support our customers with the creation of works plans and project optimisation. Precisely cut to fit in the factory, the elements are delivered directly to the construction site.

We see ourselves not just as a manufacturer, but rather as a project partner for architects, construction engineers and executing companies. We also gladly serve as advisers for private and public clients in the development of plans for the construction of a solid timber structure.

Our customers value us as a reliable partner in demanding timber construction of lasting value and can capitalise on our more than 20 years of experience.

Technical Approvals, Certificates and Eco-labels

TEAM SPIRIT

As a project partner, we see our co-operative attitude as an essential part of our philosophy. As a team, we work across departmental disciplines, both internally and externally.

Management

KLH designer –
Without
registration,
anytime,
anywhere

KLH DESIGNER

ARCHITECTURAL | STRUCTURAL | ECO

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News & Events

News

Förderpreis.nachhaltig 2021

THIS YEAR, KÄRNTNER SPARKASSE AG’S SUSTAINABILITY AWARD GOES TO KLH MASSIVHOLZ WIESENAU GMBH AND WEISSENSEER HOLZBAUSYSTEMBAU GMBH

Publications

Timber Arch Vol. 02

Special times require special attention. Treat yourself to some time out and enjoy the following pages with us. Thanks to the editorial support of the respective…

News

AITIM Quality Mark

KLH holds the AITIM Quality Mark – SCA nº 31-01 for the Manufacture of Cross-Laminated Timber since 2007

News

Nordic Swan Ecolabel

In addition to the EPD (Environmental Product Declaration), KLH Massivholz GmbH has now also received the Nordic Swan Ecolabel (Licence No. 3010 0030), one of the…

News

CEO Today Global Awards 2020

Sonja Moder has been selected as an outright winner for this year’s CEO Today Global Awards.

News

Project “KLH Wolfsberg”

Sustainability is a way of life at KLH Massivholz GmbH. The opening of what will be the most modern cross-laminated timber plant is planned for summer…

We are there for you.
+43 3588 8835
office@klh.at

Sites:
KLH Massivholz GmbH
Gewerbestrasse 4
A-8842 Teufenbach-Katsch
KLH Massivholz Wiesenau GmbH
Wiesenau 2
9462 Bad St. Leonhard

Together with our customers we are contributing to an eco-friendly and sustainable future– this drives us and makes us proud.

Marco Huter | Managing Director

With innovations and continuous development of production technology, we are always focused on the needs of our customers. Our responsible handling of the renewable and sustainable resource “wood” pursues the goal of managing ecological and economic challenges.

Johann Hochegger | Managing Director

Research and development have always been a part of our concept. We aim to use innovative, efficient and both economically and ecologically sustainable solutions in solid timber construction.

Johannes Habenbacher | Chief Technical Officer

We want to prove our know-how and long-term experience on international level and expand our technology leadership.

Sonja Moder | Authorized Representative

We are there
for you.