TAMBEST OY
News
Latest news and events 2026
September 10, 2026
100% of glass and interlayer film waste generated in our production is recycled
At Tambest, sustainability is first and foremost about concrete action. Glass offcuts and broken glass generated during production are carefully collected and returned to the glass industry as raw material. When new glass deliveries arrive, waste glass from our production is transported back for further processing on the return journey, while some of it is processed locally by Uusioaines.
The interlayer films used in laminated glass production are also collected and sorted for further processing in Europe. The material is given a new life as industrial plastic granulate, which can be used in the manufacture of products such as shoe soles and pharmaceutical containers.
Alongside practical measures, it is essential to understand where the company’s overall emissions come from. In addition, 100% of the electricity used by Tambest is generated from fossil-free energy sources.
Tambest has participated in the PIRTEÄ project, which supports SMEs in becoming pioneers in low-carbon business. Through the project, Tambest has received expert support for calculating its carbon footprint and further developing its sustainability work. With the support of experts from the Finnish environmental education organisation SYKLI, Tambest completed its first comprehensive carbon footprint calculation, providing a clearer picture of the sources of emissions across its operations.
The project has also provided Tambest with practical tools and a solid framework for monitoring its carbon footprint and updating the calculations in the years ahead.
According to Satu Vehmas, Tambest’s Finance Manager, the results have made the company’s sustainability efforts more tangible and measurable. Being able to assess emissions in numerical terms makes it easier to identify areas for improvement and prioritise future actions.
Tambest CEO Joni Kaski emphasises the importance of looking at sustainability as a whole.
“What matters in sustainability is not how impressive an individual action may sound, but the actual impact it has on the bigger picture. Carbon footprint calculations give us concrete data to understand that impact. The PIRTEÄ project has given us confidence that our calculations are being carried out correctly and, above all, provided us with the tools to continue developing our sustainability work based on measurable data,” Kaski says.
August 17, 2026
Member of Parliament Rami Lehtinen visits Tambest to learn about Finnish glass expertise
We were pleased to welcome Member of Parliament Rami Lehtinen to Tambest to learn more about our production and Finland’s high-level expertise in glass processing.
During the visit, we exchanged views on the current state of the Finnish glass processing industry, industrial competitiveness and future prospects. Our discussions highlighted the importance of Finnish expertise and local investment, as well as how high-standard domestic production can respond to the evolving needs of the construction and industrial sectors.
We are proud to carry out demanding glass processing in Finland and to continue developing expertise in the industry right here in Forssa.
Forssa is an excellent location for industry and a great place to build future growth.
Thank you to Rami Lehtinen for the visit and the insightful discussion!
From left: Tambest CEO Joni Kaski, Member of Parliament Rami Lehtinen, and Tambest Production and Product Development Manager Raiko Mäkeläinen.
June 29, 2026
Tambest brings employees together for strategy and development day
Tambest organised a strategy and development day on 25 June 2026, bringing together the entire Tambest team. During the day, participants were introduced to Tambest’s 2026–2029 strategy and its implementation, while working together to shape the company’s future.
Through interactive workshops, employees identified the company’s strengths, development opportunities and practical actions to support the continuous improvement of our operations. The workshops encouraged open discussion and active employee participation, providing valuable insights into how Tambest can continue to grow and develop in the years ahead.
One of the strongest messages to emerge from the discussions was that Tambest’s greatest strength is its people. Professional expertise, a positive working atmosphere, flexibility and strong teamwork provide the foundation on which the company’s future is built.
Involving employees in the strategy process strengthens our shared direction and creates the conditions for the continuous development of our operations.
The strategy and development day was held at the Häme University of Applied Sciences premises in the historic Forssa Spinning Mill. The workshop was facilitated by Mirva Viitamäki and Kirsi Sippola from the Internationalisation as a Strength (ESR+) project.
Thank you to everyone who participated and contributed to a productive and inspiring day.
Together, we continue building Tambest’s future.
June 25, 2026
STANAG 4569 AEP-55 Level 3 performance verified as part of Tambest’s testing programme
Tambest’s ballistic protection testing and product development project continues to progress according to plan, with the results of an extensive testing programme demonstrating the progress achieved through the development work.
During the development phase, a comprehensive testing programme was carried out in accordance with STANAG 4569 AEP-55 Volumes 1, 2 and 3. The programme also included the required temperature testing and Fragment Simulating Projectile (FSP) testing across multiple protection levels.
One example of the results achieved is the successful verification of STANAG 4569 AEP-55 Level 3 performance under the following conditions:
- High-temperature testing at +49 °C
- Cold-environment testing at -32 °C
- Testing against a 20 mm Fragment Simulating Projectile (FSP) threat
The testing programme resulted in compliant performance and multiple certifications, supporting the development of advanced solutions for defence and security applications.
These results demonstrate Tambest’s long-term commitment to ballistic protection development and further validate the performance of its bullet-resistant glazing solutions in demanding defence and security environments.
May 22, 2026
Tambest to Participate in the Largest Defence Event in the Baltics – SSD Expo 2026
Tambest will participate in SSD Expo 2026 together with Teräselementti on June 10–11, 2026, at booth F33 as part of the Finnish Operations Center (FOC) Finland Pavilion at the Estonian Fair Centre in Tallinn.
SSD Expo is the leading defence, security, and supply chain event in the Baltic Sea region and the largest defence industry event in the Baltics.
We welcome you to visit our stand and learn more about our solutions.
April 15, 2026
Tambest’s lamination capabilities expand
Our production has been enhanced with an EVA lamination oven, bringing increased flexibility and new possibilities for laminated glass solutions.
The excellent moisture resistance and adhesion properties of EVA interlayers enable a wider range of structures, including the lamination of fabrics, veneers, metal meshes, as well as smart films and shielding films between glass layers.
At the same time, PVB lamination is carried out on our clean lamination line using two autoclaves, and we are a certified SentryGlas® laminator.
This combination allows us to deliver optimal solutions for both
– visually refined interior glass applications
– and demanding structural projects requiring the highest levels of safety and stiffness.
Our comprehensive lamination expertise and advanced production capabilities enable us to execute even the most demanding projects efficiently – without compromising on quality.
February 3, 2026
Representatives of the U.S. and Canadian Embassies Visited Forssa
Representatives of the U.S. and Canadian embassies visited Forssa to learn more about Finnish defence industry companies and their products.
Tambest’s Joni Kaski, DA-Group’s Sami Kotiniemi, and CPE Production’s Harri Kolu took part as speakers in a presentation event for defence industry manufacturers.
At the event, Tambest presented its defence industry products as part of the industrial expertise of the Forssa region, highlighting high technical requirements, strong manufacturing know-how, and international capabilities.
The visit and direct discussions with international stakeholders further strengthen the position of the Forssa region as part of Finland’s defence industry and its export potential.