In almost every larger town there is a need to protect residents from excessive noise. Acoustic screen is a construction designed to create a sound barrier at railway tracks, motorways, expressways or especially busy streets. Good acoustic insulation and sound absorption factor as close as possible to 1, i.e. in this case the maximum value, largely depends on the type of material used to create the screen. GRC architectural concrete (Glassfibre Reinforced Concrete) has one of the best properties in this field and its structure is enriched with glass fibre.
What is the decisive factor in using GRC in sound-absorbing screens?
GRC concrete disperses the noise that is generated in the vicinity of frequently used road infrastructure connections. Effective sound insulation is already achieved with a plasterboard thickness of only 9.3 millimetres, which is a very good result. Using a GRC board of such width on the wall of a sound absorbing corridor allows to decrease the noise level reaching the street by about 31.2 dB. The use of such a barrier significantly improves the quality of life, especially for those living in the direct vicinity of noisy streets or railway tracks.
Glass-fibre reinforced concrete is also used to build other components of urban infrastructure. This material is characterized by high aesthetics of workmanship and durability. Its ductility makes it possible to match the appearance of an acoustic screen to the architecture of surrounding buildings.
The use of this material is a way to make the most creative urban development plans come true. Depending on the concept, the acoustic screen made of GRC concrete can blend into the background or be an interesting element of the environment, which attracts the eye and increases the attractiveness of the place, while isolating it from urban or road noise.