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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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One side perforation on the surfaces of noise barrier reduces reverberant build-up between parallel barriers and other reflective surfaces and increase the ability of noise barrier to reduce the noise. Glossy & plane outer side gives asthetic look to noise barrier and block maximum noise to passes in near by area. Our designed & manufactured noise barrier has delivered good results in many projects and performed as well. Our Metallic Noise Barrier Absorptive Panels achieved a minimum sound insulation of STC 25 and high sound absorption in between 125 Hz to 4, 000Hz frequencies.
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Railway noise barriers consist of sound-insulating and sound absorbing elements and are designed to mitigate the noise produced by railway rolling stock. Acoustic Barrier are particularly suitable for installing on railway tracks located near proximity to stations or city centres. These noise barrier wall panels are held together firmly by galvanized metal "H" beam post and hot dip galvanized for corrosion protection.
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The metallic noise barriers are of two types. It can be a one sided noise reflective barrier or a barrier that has acoustic properties on both sides. The two sided barrier will deflect sound from either side thereby creating a sound wall. The barrier panels are light in weight as both steel and aluminium are light weight. This makes it easy to install as well.
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Polycarbonate is the most effective material for noise absorption and helps to ensure a quiet atmosphere. Polycarbonate as a material has superior properties which makes it a preferred material as a noise control barrier. Acrylic also has similar properties to polycarbonate and the two are equated at many junctions.
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