About us

KLH US Holding Corp. was formed in 2014 as a specialist supplier of cross-laminated timber panels; we provide consultation, design assist and material supply services to the construction industry.

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2nd KLH
CLT FACTORY

Two decades after pioneering the world's first cross-laminated timber facility in Katsch in 1999, KLH celebrated another milestone with the inauguration of its second production site in Bad St. Leonhard, Carinthia, Austria. Boasting an impressive annual output capacity of approximately 125,000 m3 of KLH® - CLT, this expansion represents a significant leap forward in KLH's commitment to innovation and sustainability in timber construction.

The incorporation of state-of-the-art production technology not only solidifies KLH's competitive edge but also elevates the overall efficiency of CLT manufacturing. Moreover, this expansion has catalysed a positive effect in the local economy, creating over 100 employment opportunities in the economically challenged Wolfsberg region. Through strategic investments and a steadfast commitment to sustainability, KLH continues to shape the landscape of modern timber construction.

References

Projects from different
categories and countries

Public Buildings

Car Center

Forward-looking concept for commercial real estate in the automotive sector

Modular construction

Flexible living units

Modular solutions offer flexibility

Office Buildings

Fifty West

Pioneering architecture in Central Florida

Single Family Houses

House with forest views

New construction of an old farmhouse

Educational Buildings

Glenn Doman School

The symbiosis of sustainable architecture and progressive pedagogy

Hotels

Hótel Jökulsárlón

A hotel near the majestic Vatnajökull glacier

Healthcare Buildings

Psychiatry Clinic Ottakring

sustainable architecture with modern healthcare

Public Buildings

Aldi

A fantastic example of modern sustainable retail construction.

Office Buildings

Free City

An office building – efficient and innovative right from the start

Office Buildings

Facephi

from cinemas to state-of-the-art offices

2019 A+Awards
Jury Winner

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Product Advantages

Where the effectiveness of wood meets modern technologies – building with KLH® has many advantages.

FREEDOM IN ARCHITECTURE AND SPACE CONCEPT

SIMPLE PLANNING OF INDIVIDUAL BUILDINGS

ENVIRONMENTALLY SUSTAINABLE BUILDING MATERIALS

HEALTHY, COMFORTABLE INDOOR CLIMATE

CLIMATE-FRIENDLY AND CO2 NEUTRAL

ELEMENTS CONTROLLABLE IN TERMS OF BUILDING PHYSICS

CE-CERTIFIED AND TESTED FOR ENVIRONMENTAL IMPACTS

SHORT CONSTRUCTION PERIOD AND DRY CONSTRUCTION METHOD

HIGH DIMENSIONAL ACCURACY DUE TO CNC-CONTROLLED CUTTING

LASTING VALUE AND ENERGY-EFFICIENT

HIGHLY STABLE COMPONENTS FOR WALLS, FLOORS AND ROOFS

COMBINABLE WITH ALL MATERIALS

EPD
in acc. with
ISO 14025
& EN 15804

Environmental
Product Declaration

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Events & Exhibitions

Saudi Build 2024

04.11 bis 07.11.2024

Riyadh International Convention & Exhibition Center
Hall 4 | Booth 4-427
Riyadh, Saudi Arabia

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28th International Timber Construction Forum

04.12 bis 06.12.2024

From practice – for practice
Congress Innsbruck | Booth TF 120
Austria

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BAU

13.01 bis 17.01.2025

World’s leading trade fair for architecture, materials, systems
Trade Fair Center Munich
Hall B5 | Booth 129

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4DESIGN DAYS

23.01 bis 24.01.2025

Architecture | Design | Interior design
International Conference Centre Katowice (MCK)
Poland

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14. Forum International Bois Construction (FBC)

26.02 bis 28.02.2025

Int. Timber Construction Forum (FBC)
Paris Grand Palais
France

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International Mass Timber Conference

25.03 bis 27.03.2025

The largest gathering of mass timber experts in the world | Booth 714
Oregon Convention Center | USA

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CONSTRUMAT

20.05 bis 22.05.2025

International Building Exhibition
Fira Barcelona – Gran Via Venue
Hall 2 | Booth E29
Barcelona, Spain

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WCTE

22.06 bis 26.06.2025

World Conference on Timber Engineering
Brisbane Convention & Exhibition Centre | Australia

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18. Europäischer Kongress (EBH)

08.10 bis 09.10.2025

18th European Conference
Urban Timber Construction
Kongresszentrum Gürzenich
Cologne, Germany

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BYGG REIS DEG

15.10 bis 18.10.2025

Scandinavian Building Exhibition
Norges Varemesse
Lillestrøm
Norway

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News & Events

News

Green Energy

KLH is committed to sustainability: New photovoltaic system with 4,200 PV modules provides environmentally friendly electricity for KLH® production.

Publikationen

Timber Arch Vol. 04

On our journey through the world of timber architecture, we now find ourselves at the opening line of the fourth edition of Timber Arch. As in…

News

Fire protection test

KLH® – CLT has successfully passed the tests for the Australian and New Zealand markets in order to fulfil the fire protection requirements there.

News

Component catalogue

KLH Massivholz GmbH presents its latest innovation: the extended component catalogue, which is now available online. The revision of the catalogue aims to offer users an…

News

Tower of Wind

The project in the heart of Copenhagen pays homage to the world’s first meteorological observation station, the historic “Tower of Wind” in Athens.

News

Non-Fire Spread Classification

KLH® – CLT Exterior Walls receive Non-Fire Spread Classification in Poland

Technical Approvals, Certificates and Eco-labels

Our 
services.

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At your service.

(971) 804-3794
Sebastian.Popp@klhusa.com

KLH US Holding Corp.
1155 SW Morrison St.
Suite #200
Portland, OR 97205

We provide thoughtful design solutions that are structurally and material efficient as well as ecologically appropriate, focusing on a healthy world for future generations.

Sergey David | Technician

I love the beautiful and elegant design solutions that are possible with mass timber. CLT is structurally efficient and naturally fire resistant, and is often the best choice for demanding construction schedules and challenging project sites.

Howard Thurston | Head of Engineering

Our team continually strives to provide the very best quality product, supported by a professional and personalized process. We feel integrity is critical to a successful project and a beautiful end result.

Michael Hahn | Design Director

You have the vision. We have the knowledge and material to make it a sustainable mass timber reality.

Sebastian Popp | Technical Director

We are there
for you.