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Lightweight building systems in general suffer from poor sound insulation, especially in the low frequency region. Since no reliable mathematical models that can predict the impact sound pressure level exists, the lightweight building design is to a high extent based upon previous experience and upon measurements. A special difficulty is related to experimental measurements since the variation among...
This paper reports an investigation of a new kind of material and its acoustical performance. The potential of recycled materials made from rubber fluff for reducing impact noise was assessed according to EN ISO 140-8:1997. The performance of these materials was compared to those of some commercially available underlays.
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