Looking for high-quality Finnish ThermoWood®?
Send us a contact request
About HJT-Holz
A family owned business and a pioneer company in the industry of ThermoWood®
We are a Finnish family-owned company specializing in the production and further processing of thermally treated wood. Our business was started in the year of 1997 which makes us truly a pioneer company in the industry ThermoWood®. With strong industry experience, the company employs patented production techniques to ensure the quality of our end products.
ThermoWood®
As a member of the Finnish Thermowood Association since 2000, we have the right to use the association’s ThermoWood® trademark. This signifies our commitment to quality control and research, conducted in collaboration with the Thermowood Association.
1994
Year of the foundation
40 000
m3 annual capasity
95 %
Of production exported
20+
Trained staff
Our products
Rough sawn ThermoWood®
Thermomodified Softwood
We are able to deliver all basic dimensions of sawn timber as heat-treated and trademarked ThermoWood® D-products. Letter D stands for duraibility. In addition to appearance, biological durability is a key feature in the final applications of products in this category.
Thermomodified Hardwood
Hardwood and other tree species can be modified also with thermal treatments in order to add stability or durability depending the final application of the product. About 20 % of our annual capasity of 40 000 m3 is hardwoods or other exotic species.
Thermomodified Softwood
We are able to deliver all basic dimensions of sawn timber as heat-treated and trademarked ThermoWood® S-products. Letter S stands for stability. In addition to appearance, stability is a crucial characteristic in the final applications of products in this category.
Profiled ThermoWood®
Profiled ThermoWood® in Austria
Our products used in Austria, private house.
Profiled ThermoPine D.
Profiled ThermoWood® in Austria
Our products used in Austria, Fashion house Schneider. Brushed ThermoSpruce D.
Profiled ThermoWood® in Finland
Our products used in Finland, Private house. Profiled ThermoAspen D.
Profiled ThermoWood® in Austria
Our products used in Austria, Hotel Edelweiss. Profiled ThermoPine D.
Profiled ThermoWood® in Finland
Our products used in Helsinki, Löyly. Profiled ThermoPine D.
Profiled ThermoWood® in Finland
Our products used in Finland, Private house. Profiled ThermoBirch D.
Looking for additional inspiration?
HJT-Holz Catalog 2024
At HJT-Holz, our 2024 catalog showcases a wide array of premium ThermoWood® products, including rough sawn and profiled wood from softwoods like pine and spruce, as well as hardwoods such as birch and aspen. Our products, treated for durability (Thermo-D) and stability (Thermo-S), cater to the needs of wood importers, distributors, and architects, providing sustainable and high-quality solutions for various applications. We also offer custom thermotreatment services to ensure superior performance and longevity in your timber.
Latest articles
Why choose us as your partner for your project?
Why people are choosing us as a partner
Quality Material
Our raw material comes from the vast and nearby forests of Central Finland
Accredited and Certified
We are committed to several certificates in our operations
Trained Workers
Our team is highly trained and commited to the work done in HJT-Holz Oy
Fast delivery
We are holding a stock of ready ThermoWood® to be delivered
Member of Finnish Thermowood Association
We are entitled to use the association’s ThermoWood® trademark
Experience in the field
We have been operating in the industry since 1997. Therefore we know the receipe to high-quality ThermoWood®.
HJT-Holz and ThermoWood®
Browse our certifications
Our AB-graded coniferious products is sourced from ecologically managed Finnish forests and meets the highest environmental and quality standards. Explore our certifications, including FSC and PEFC, to see our commitment to sustainability and product excellence.
Offices
Head Office
Manufacturing is entirely made in Mänttä-Vilppula.
Lahnajoentie 196
35700 Mänttä-Vilppula
Finland
