https://wiadomoscigazeta.pl/2021/06/16/sztachety-plastikowe-do-tarasu-i-ogrodzenia/
Noise Barriers and Other Noise Control DevicesNoise Barriers are an effective deterrent against unwanted noise from various street sources. A noise barrier is an external structure specifically designed to shield residents of sensitive residential land use locations from noise pollution caused by other elements in the surrounding environment. Noise barriers are usually the most effective way of mitigating road, railway, and industrial noise pollution sources in the surrounding area hence the need for such construction. Noise barriers serve as a physical barrier against noise from external sources while providing insulation against noise from within.