Double sound barrier, sound insulation material, the average amount of sound is how much?
Louver-type sound barrier can reach the noise reduction of 15-20 dB)
Metal micro-acoustic sound barrier can achieve noise reduction of 18-25 dB)
Noise noise reduction Using sound barriers to reduce noise pollution is completely without problems. And the product can be used for more than ten years.
Color steel sound barrier can reach the noise reduction of 10-13 dB)
Landscape-type sound barrier can achieve noise reduction 20-25 dB)
