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On July 6, we received the certificate of conformity for KÖSTER TPO 2.0 FR from FM Approvals and were thus listed with our product in their database. The database is used by roofers, architects, engineers and planners to search, configure and verify certified and FM-tested roofing products as well as complete roof structures.
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Trade fair announcement: Big 5 Construct Saudi | Saudi Arabia
Visit us at Big 5 Construct Saudi from 18 January to 21 January 2026 at the Riyadh Front Exhibition & Conference Center. You’ll find us at the German Pavilion, booth number 4B169.
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On November 27, the mayor of Aurich, Horst Feddermann, honored us with a visit. He had an in-depth discussion with Johann Köster and Dr. Dieter Köster about our company.
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KÖSTER at trade fairs in November
In November, we will be represented at two trade fairs in Germany.
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Successful participation in NordBau 2025
KÖSTER BAUCHEMIE was once again represented at NordBau in Neumünster from September 10 to 14 this year. The trade fair was very successful, attracting over 50,000 visitors, which was reflected in the large number of visitors to the KÖSTER stand. Our colleagues had their hands full and were involved in many intensive discussions.
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Video project with VCI Nord in Aurich
On July 22, we were visited by VCI Nord, the regional association of the Chemical Industry Association for Bremen, Hamburg, Lower Saxony, and Schleswig-Holstein.
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Managing Director of the Deutsche Bauchemie Visits KÖSTER
Yesterday, Ina Hundhausen, Managing Director of the association Deutsche Bauchemie, visited us in Aurich. The topics discussed during her visit included the development of small and medium-sized enterprises in the industry, current trends in economic policy, as well as construction chemicals and sustainability. Ina Hundhausen had the opportunity to gain insight into KÖSTER’s diverse activities and responsibilities across many countries around the world.
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International Symposium of KÖSTER BAUCHEMIE AG
Aurich, July 09, 2025 - Every three years, KÖSTER BAUCHEMIE AG organizes its International Symposium. This major three-day event kicked off today with around 80 participants from all over the world.
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New Photovoltaic System – KÖSTER Utilizes the Advantages of Renewable Energy
Recently, we installed a photovoltaic system on the roof of our liquid production facility. The roof, covered with KÖSTER TPO roofing membranes, was equipped with 104 modules.
We not only aim to look towards a sustainable future with our products, but also to take advantage of the benefits of renewable energy during production.
CO2 Reduction with KÖSTER TPO Pro
KÖSTER TPO Pro is one of our most sustainable products. With a recycled polymer content of > 50% and a high SRI value (Solar Reflectance Index) of > 94, we have launched a new leading product on the market. We have also recently received certification for our CO2 balance from the SKZ - Das Kunststoff-Zentrum, which states that the use of 1,000 m² of KÖSTER TPO Pro roofing membranes, for example, saves 1,860 kg of CO2. At the same time, KÖSTER TPO Pro is extremely durable with an expected service life of well over 30 years. Due to the superior reflection of the sun’s rays and heat, the roof heats up less and thus saves cost for air conditioning and the low temperatures put less strain on the roof structure.
... moreKiln dried quartz sand.
