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Sound insulation is an essential quality factor for residents and users of buildings. When evaluating building components, the quality of airborne sound insulation and, especially in the case of ceilings, the effectiveness of impact sound insulation is examined.
In the case of timber beam ceilings, good impact sound insulation can be achieved by additional measures, such as suspended ceilings and raw ceiling weighting. The quality of the sound insulation depends largely on the quality of the execution.
Multi-layered constructions can still achieve good sound insulation properties despite a lightweight timber frame construction. These constructions protect noise against the outside and reduce both the transmission of airborne sound and impact sound transmissions within the building.In addition to the good sound insulation properties of a building component, the following key principles are decisive for good sound insulation:
To reduce the impact sound level of ceilings in multi-storey residential buildings, various measures are possible, such as the installation of suspended ceilings, weighting the raw ceiling or a combination of these measures.
As characteristic values for the sound insulation of building components, our design catalogue contains information on the assessed airborne sound insulation value R'w,R and assessed standard impact sound level L'n,w for many components.