These are absorbent noise reduction barriers or just reflective ones which are effective and durable. High way sounds can be lowered considerably with these. The materials used are usually light weight and are weight sensitive with the longevity to cause noise reduction. They are durable, rust proof, moisture resistant, non-corrosive with a modular design. They are very easy to install and assemble. Envirotech Systems is a renowned manufacturer & supplier of any Road Highway Noise Barrier.
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