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KOSTER American Corp. is proud to announce that Jenilee Lucero received the CSI President’s Certificate of Appreciation at the 2026 CSI Mid-Atlantic Region Conference (MARC26) in Norfolk, VA. The award recognizes her outstanding service, leadership, and dedication to the Construction Specifications Institute and the broader construction industry.
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KOSTER PRO Series: Practical Training & Insights for Better System Performance
Join KOSTER technical experts as they showcase and discuss proven KOSTER systems for waterproofing, moisture mitigation, and flooring. Each session delivers practical insights, application guidance, and best practices to help you specify, install, and build with confidence.See What’s Coming Up — and Secure Your Spot.
15 years Beijing KÖSTER International
On February 8, 2006, Beijing KÖSTER International Corp. Ltd. was founded as a 100% subsidiary of KÖSTER BAUCHEMIE AG. The starting point for this new establishment was the idea of making the proven waterproofing technologies from Aurich available in the Republic of China.
The improved formulation of KÖSTER 21 has greatly increased the water vapor permeability so that moisture in the concrete can escape more easily in vapor form through the coating and the formation of bubbles in the coating is avoided.
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The Green Pages - New Product Catalogue 2020
The new KÖSTER Product Catalogue, "The Green Pages of Construction Chemicals", is now available on our website.
Johann J. Köster Honorary Chairman of Deutsche Bauchemie e.V.
At the 72th Annual General Assembly of the German Industry Association for Construction Chemicals (Deutsche Bauchemie e.V.) from September 30th until October 1st, 2020, Johann J. Köster (founder and Chairman of the Supervisory Board of KÖSTER BAUCHEMIE AG) has been elected as an Honorary Chairman. Dr. Dieter Köster has been newly elected as a board member.
Versatile Coating System - KÖSTER CT 215 Universal Floor
New product: With KÖSTER CT 215 Universal Floor, a versatile coating product has come onto the market that can be used as a system coating in industry, trade, and in the private sector.
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A new product has been introduced among the KÖSTER roof waterproofing membranes: KÖSTER TPO Pro. KÖSTER TPO Pro is a highly specialized roofing membrane for professional use on freely weathered industrial roofs in lightweight construction.
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A new KÖSTER website, fully dedicated to the roofing segment, is now live.
We have been successfully producing roofing membranes for more than 30 years, and now we decided that it was the right time to offer our customers, and the market, one website for this special field of application.
On this website, we offer a general insight of all that is necessary to know about the materials and systems for roof waterproofing.
Pedestrian Tunnel Toronto: The Advantages of Curtain Injection
An RFP was issued in October 2018 for a repair of the pedestrian tunnel connecting Rouge Valley Centenary Hospital and Shoniker Clinic under Neilson Road in Toronto, Ontario (Canada). By using KÖSTER Injection Gel G4 with curtain wall injection, the repairs were completed in half the original scheduled time, circumventing excavation and therefore avoiding any road or entrance closures.
KÖSTER TPO Pro 1.5 is a highly specialized roof waterproofing membrane for professional use on freely weathered industrial roofs in lightweight construction. It provides with its high sustainability, economy and longevity a modern and resource friendly building culture.
