Noise Barrier-Upto 20 Meter Providing you the best range of Noise Barrier, Metallic Noise Barrier, Transparent Noise Barrier and Mobile Noise Barrier with effective & timely delivery.Keeping in sync with the latest market norms and policies, we are indulged in providing a high quality range of Noise Barrier.Other Details:Sound barriers are most effective at mid- and high-frequencies, while low frequency sounds may require the use of longer and taller sound walls for mitigation.At a minimum, the sound barrier should at least block the line-of sight between the sound source and the receiver.