Manufacturer & Supplier of
Metallic Noise Barrier

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Envirotech Systems – Leading Manufacturer & Supplier of Metallic Noise Barriers & Metal Noise Barrier, Metal Sheet Sound Noise Barriers, Road/ Highway/ Transparent Noise Barrier in India

Acoustic performance gives it a 45 STC rating as per the per IS-9901(Part III) -1981, DIN 52210 part IV – 1984, ISO: 140 (Part III) – 1995.
Sound proofing rating is class A4, Sound deadening is class B2.
Outside sheet is of plain aluminum sheet or GI sheet with 1.3/ 1.5 mm thickness.
It has neoprene rubber gasket at the gaps.
Envirotech Systems is a well-known manufacturer & supplier of Metallic Noise Barrier.