The European standard EN 12354-1 describes calculation models designed to estimate airborne sound insulation between adjacent rooms in buildings, primarily using measured data characterizing direct or indirect lateral transmission by the participating structural elements and theoretically derived sound propagation methods in structural elements. This standard was later published by the International Organization for Standardization (ISO) under the same title (ISO 12354-1:2017). This ISO standard explains the principles of the calculation scheme, lists the relevant quantities, and defines applications and limitations.
Today, in a good building design, a good acoustic performance is prioritized at least as much as lighting and ventilation. If the expected reverberation time in a room is not at a good level, this causes the background noise to be excessive, the speech not to be understood or the quality of sleep not to be provided.
In accordance with the principles of the environmental noise assessment and management regulation, indoor noise level limit values are checked during the construction permit and building occupancy permit stages of noise-sensitive buildings, and whether the walls, floors, ceilings, stairs and other building elements that will provide this provide sound insulation.
In practice, EN 12354 and EN ISO 140 standards are used in this regard. The EN 12354-1 standard offers a theoretical calculation method that determines the airborne sound insulation between rooms in buildings, taking into account lateral transmissions. The EN ISO 140-4 standard includes a method for measuring the airborne sound insulation properties of walls, floors, ceilings and doors between two rooms.
In short, the EN 12354-1 standard is part of the series that specifies computational models in building acoustics. Although this standard covers the main building construction types, it does not yet cover all construction variations. It sets out an approach for future improvements and enhancements.
Among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors, our organization, with its trained and expert staff and advanced technological equipment, estimates the acoustic performance of the buildings from the performance of the elements within the scope of the EN 12354-1 standard, air-borne sound insulation test services between rooms. also gives.
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