Premium Sound Insulation Panels for Effective Road Noise Barriers. High Noise Reduction: Sound reduction index 25-40 DB with NRC 0.7-0.83 for effective soundproofing. Customizable Dimensions: Panel thickness 0.6-1.5mm and size 2000-3500mm can be customized as per inquiry. Durable Materials: Made from galvanized metal, stainless steel, or aluminum with hot-dipped galvanized finish. Versatile Applications: Suitable for highways, railways, communities, factories, and cooling towers. Fast Delivery: Delivery time is less than 20 days for standard orders. Free Samples: Free samples provided; customer pays postage, which is deducted from order payment. Lifetime Support: After-sales service includes installation videos and warranty for more than 1 year. Expert Manufacturer: Established in 2005 with 25 years of experience in wire mesh and sound barrier production.