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BASF SE, 67056 Ludwigshafen, Germany

Sound absorbers in thermoactive prefabricated concrete ceilings


When a thermoactive element is incorporated into a concrete ceiling, this is offset by part of the building itself to regulate heat. This tech- nology produces extremely energy-efficient cooling and heating in modern buildings that in some cases can make them eligible for passive house certification. Typically, though, the drawback is that the sound-reflecting surfaces of a concrete ceiling mean poorer room acoustics due to longer reverberation times. When acoustic absorbers are subsequently fitted for sound insulation, however, they often have an adverse effect on the convection of air needed, which then considerably reduces the efficiency of the cooling and heating capacity.

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BASF SE
67056 Ludwigshafen,
Germany
T +49 621 600
www.basf.com

Innogration GmbH
Cusanusstraße 23,
54470 Bernkastel-Kues, Germany
T +49 6531 968260
office@innogration.de,
www.innogration.de

CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 12 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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