​Historians have divided our prehistoric periods in the categories of stone, bronze and iron. There is not a single word about wood, as if it did not play a role in the development of humankind. Even in those prehistoric ages, we know that mankind learned how to start a fire and without it, we would not have come this far without wood. When people moved over to the water’s edge and started fishing, they used spears, fishing rods and built boats which are all made of wood. They started building houses, then castle towns and chapels - all made of wood. Then they invented the wheel and built wagons - all made of wood. Men sailed to America on wooden ships and discovered the rest of the world. Humans owe most of their development to wood, and still, it appears that most people are not aware of how incredible this raw material is.

The current trends in design and architecture look at wood as an anachronism. The future of wood lies in laminated particle boards, glued with chemicals and covered with a synthetic grain-simulating film - A billion dollar business. Use of wood without the influence of the chemical industry seems impossible today; they produce glues, preservatives, insulation, varnishes, films, and hundreds of other toxic products, which are often deadly to both humans and the environment.  It’s a market worth billions - and even then, it is instead wood that is considered dangerous, because of its alleged flammability. For this reason only, houses were preferred to be made of bricks to last for years and heavily insulated with styrofoam.

The world would have kept following this destructive path without a second thought, had there not been one man, who in the recent past with his experience, perseverance, and endurance, started a revolution in the field of timber. He rediscovered and reapplied certain valuable knowledge that had already been commonly known since the ancient times, initially derided and mocked in modern Europe. However, staying firm and true to his own experiences and family generations of woodworkers, he didn't give up. Finally the scientists, who had initially mocked him, began to applaud him, even having renowned institutions and scientists back up his theories with studies, experiments, and lab testings. He successfully began to disintegrate the system of lies created by chemical, wood and other industries of the like, lobbyists and corrupt politicians.

Dr. Erwin Thoma, an Austrian raised in the Alpine forests, was a hiker and a mountain guide, but always wanted to become a forester. As a result of his forest engineering education, like many young people in the 70s and 80s - he was convinced that modern engineering was able to solve ongoing environmental problems. Modern machines, chemistry, and even computer science have all been invading all areas of the economy and forest management, as well.
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In Austria, young foresters often have to wait several decades before receiving their own forest supervision area. He was lucky, however. It turned out that there was an area in the Karwendel Mountains where no one wanted to supervise as a forester as its residency was entirely snowed in and cut off from the world in winter - the closest store would be found 50 kilometers away. However, this was a dream come true for Dr. Thoma and moved in with his wife. 

​The Thoma Research Center in Goldegg

Here, old traditions, tree, and wood building secrets flow together with modern research and new technologies. Join us in our innovations and unique, sustainable practices to feel the extraordinary vitality and quality of the wood of our forests. 

Our Planing Mill in Neukirchen am Großvenediger

Our planing work is located in the Hochgebirgs region below the Großvenedigers in the Pinzgau. Here, we store and process floors, formwork and carpentry exclusively from wood harvested at the right time.

The Holz100 Schwarzwald GmbH in Lahr

Our factory in the Black Forest proves that factories can be self-sufficient in energy as it produces 100-200 houses per year by operating on its own electricity supply generated by solar roof panels.

​Holz100 Works Stadl an der Mur

The Holz100 plant in Stadl an der Mur was commissioned in 2000. From here, future Holz100 buildings are supplied with its framing components.

​​Can a living space become the source of health and wellbeing for its inhabitants?

More and more, homeowners desire for indoor environments which mimic the beauty and benefits of nature, especially those regarding our health and wellbeing. At Thoma Holz100, this is our vision - to bring healthy homes to families and communities around the world - and we have been working towards this goal for over 25 years. Today, there are over 1,000 completed, successful Holz100 projects in over 30+ countries we would be happy to share with you.

Inventor and Founder of Thoma Holz100, Dr. Erwin Thoma introduced a new era of quality wood construction with a 100% pure wood building system like no other. Without a trace of metal nails, glue, chemicals, or preservatives, the Holz100 prefabricated components yield impressive results (as well as a few world records) in:
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• heat insulation
• air-conditioning
• energy savings
• indoor air-quality
• soundproofing
• protection from radio-waves
• fire protection
• earthquake security

The internationally patented Thoma Holz100 building system wraps its inhabitants in pure solid wood with no chemical pollutants whatsoever. Thoma Holz100 combines state-of-the -art engineering with natural characteristics and benefits of wood at its finest. The powerful testimonials from thousands of happy Holz100 homeowners are our best advertisement.

Why not build yourself an oasis of wellbeing and enjoy life in good health?

Our goal is to build the healthiest houses from sustainable wood. We know that we can’t continue to exploit nature to simply make profit. We looked at the marvels of nature and the trees that surround us and realized that they demonstrate every day the very things we search for in our products and technologies: waste-free closed-loop recycling, self-healing and natural remedies, energy independence based on intelligent use of solar and other sources of green energy. A Thoma Holz100 home is suitable for generations to come, because its components are based on nature’s wisdom.