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The project was implemented for Kaufland Bulgaria, on-site Central Halls. The space is public and heavily visited, which places high demands on acoustics and functionality.
The ground floor of the facility housed a multifunctional space used simultaneously as a dining area and an event space. When both areas were in use at the same time, there was significant reverberation and poor speech intelligibility, which negatively affected visitors’ comfort.
The main requirement was that the areas be usable both together and separately. This ruled out the use of fixed partitioning solutions.
An additional challenge was posed by the structural characteristics of the ceiling, as well as the need for the solution to meet all fire safety requirements applicable to public spaces.
After a site visit we proposed heavy acoustic curtains, similar to theatre curtains. They absorb sound in the room and divide the space when needed, without a fixed partition. The installation is a double black acoustic curtain, sewn to size.
The curtains were mounted on a specialized curtain rod designed to support their considerable weight and positioned in accordance with the floor’s structural layout.
Special attention was paid to the height and density of the installation, ensuring that the curtains reached as close to the ceiling as possible and minimizing any gaps through which sound could pass. The installation was carried out quickly and efficiently, without disrupting operations at the site.
The space can now be used as one room or divided into two zones depending on the event. The curtains absorb part of the sound and reduce echo. We did not make acoustic measurements before and after installation, so we give no figure. For comparison: on another project of ours with curtains between two rooms we measured a 4.5 dB improvement in sound insulation – see it here.
Similar problem? See acoustic curtains and Acoustics and Soundproofing for Public Buildings or contact us via the enquiry form.
Acoustic curtain – double, black, on a special track with bent corners.
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