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Presently, asphalt sheets are utilized as a sound insulator for floor panels. However, there is a rising demand for the development of a totally new sound insulator twofold: to meet weight reductions and to improve the manufacturing process. In order to meet these criteria, unique sprayable material, which exhibits highly stable insulation performance over a broad temperature range, was developed. Liquid sound dampers are the next-generation in sound insulation material, which not only exhibits high sound insulation performance for an insulator, but also raises expectations for radical weight reductions due to its dynamic application capabilities.