INTRODUCTION 7 Living in the Park, Mondsee | AT Green centre, Holzkirchen | DE Dalston Lane, London | GB Improvements and expansions Additional assemblies for sound insulation of residential partition walls with double-layer installation level that comprise only one carrying CLT BBS wall layer have been tested. Compared to the double-layer assemblies (two separate CLT BBS elements per assembly), they have a significant economic advantage, such as gains in space by virtue of lower wall thickness, material savings and much more. In the Solid Timber Manual 2.0, not only the components are evaluated in terms of sound insulation but the secondary sound paths leading through flanking components and component connections have been considered as well. For this purpose, the results of the calculation models and tests from the research project “Vibro-acoustics in the planning process for timber construction” have been processed. The newly developed materials of Saint-Gobain have been tested elaborately. Exterior walls with different heat insulating compound systems of Weber and the latest insulating materials of Isover have been considered. By means of the examined optimisations, panelling thicknesses could be reduced, for example, in systems with one layer of 12.5 mm thick panelling of Rigips fire protection boards in wall, ceiling and roof structures. © b&k structures © www.christof-reich.com © Müller-Naumann
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