All information about
behaviour in fire

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Fire
resistant.

The fire resistance of KLH® components is proven in a structural analysis.

The structural properties of bare KLH® - CLT panels after a fire of any duration can be calculated using the standard methods described in the NDS, National Design Specification for Wood Construction, and the CLT Handbook, US Ed. Additional fire protection can be achieved through the application of gypsum board or other fire resistant materials.

In the download area, you will find reports of fire tests of KLH® elements per the applicable ASTM Standard. All tests were conducted at recognized US laboratories.
TO THE STRUCTURAL DESIGNER

Downloads

Technical Approvals, Certificates and Eco-labels

Our 
services.

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References

Projects from different
categories and countries

Single Family Houses

Private House

A two-storey detached house demonstrates the potential of KLH® – CLT in residential construction.

Public Buildings

Outdoor swimming pool

Outdoor swimming pool comprehensively and contemporary modernised

Refurbishment & Extensions

Universitätssternwarte

Modern workspaces and office facilities for newly appointed professorships

Educational BuildingsPassive Houses

TIGS

Australia’s first all-CLT Passivhaus school building, showcasing sustainable mass timber construction, carbon-neutral design, rapid installation, and innovative learning spaces.

Public Buildings

Sports Center

A modern sports center with a structural framework made of KLH® – CLT.

Refurbishment & Extensions

New Lodge Farm

A residential complex comprising four modern houses

Public Buildings

Penny

Modern retail premises built from cross-laminated timber

Refurbishment & Extensions

Museo del Mar

Restoration of a historic and listed building

Public Buildings

Open-Air Museum

An open-air museum with a redefined arrival point

Refurbishment & Extensions

Forester’s house

New Life for an Old Forestry House

At your service.

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

KLH US Holding Corp.
1155 SW Morrison St.
Suite #314
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 | Chief Operating Officer

We are there
for you.