SS-EN-12354-2 Building acoustics - Estimation of acoustic performance of buildings from the performance of elements - Part 2: Impact sound insulation between rooms

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This European Standard specifies calculation models designed to estimate the impact sound insulation between rooms in buildings, primarily on the bases of measured data which characterizes direct or indirect flanking transmission by the participating building elements and theoretically derived methods of sound propagation in structural elements. A detailed model is described for calculation in frequency bands ; the single number rating of buildings can be determined from the calculation results. A simplified model with a restricted field of application is deduced from this, calculating directly the single number rating, using the single number ratings of the elements. This European Standard describes the principles of the calculation scheme, lists the relevant quantities and defines its applications and restrictions. It is intended for acoustical experts and provides the framework for the development of application documents and tools for other users in the field of building construction, taking into account local circumstances. The calculation models described use the most general approach for engineering purposes, with a clear link to measurable quantities that specify the performance of building elements. The known limitations of these calculation models are described in this standard. Users should, however, be aware that other calculation models also exist, each with their own applicability and restrictions. The models are based on experience with prediction for dwellings they could also be used for other types of buildings provided the construction systems and dimensions of elements are not too different from those in dwellings.

To find similar documents by classification:

91.120.20 (Acoustics in building. Sound insulation Acoustic measurements and noise abatement in general, see 17.140.01 Sound insulating materials, see 91.100.60)


Designation Name

SS-EN 12354-2

Revision Level




Publication Date

Sept. 22, 2000



Page Count


International Equivalent

EN 12354-2:2000 IDT