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After successfully passing the testing of the IGH in Croatia (Department for Materials and Structures) we can now provide statically relevant reprofiling of concrete according to EN 1504-3 with KÖSTER Repair Mortar R4.... more
Dr. Jianping Yang and Johann J. Köster received an order to provide the waterproofing of a newly created district of the city Xi‘an in Central China. This order includes the supply of waterproofing solutions for considerable 420.000 m².... more
The commercial building “Coeur Cologne” at the Cologne main train station has as versatile as well as weather-resistant roofing membrane. The material comes from Aurich.... more
KÖSTER SL Flex is a high quality, fast setting, mineral based underlayment with excellent bonding characteristics also on smooth and dense substrates. KÖSTER SL Flex is applicable to a wide variety of substrates and hardens hydraulically and tension free within a few hours. It hardens to a level, high strength surface that allows for a change in building use, such as carpet or tiles on top of old wooden floors. KÖSTER SL Flex is easy to mix and install, is pump- and pourable, and during its pot life has a low viscosity and is self-leveling. KÖSTER SL Flex can be applied in layer thicknesses between 2 and 15 mm, and in depressions up to 30 mm. It hardens quickly and crack free with up to 90 % reduced shrinkage.