Metal Acrylic Noise Barrier

A noise barrier（also called a sound wall, noise wall, sound berm, sound barrier, or acoustical barrier） is an exterior structure that protects residents from noise pollution. It reduces medium and high‑frequency noise through reflection, absorption and diffraction, making it the most effective solution for roadway, railway and industrial noise control.

Unlike other barriers, JINNUO acoustic screens need minimal maintenance and offer stable noise reduction for decades. They are moisture‑resistant, mold‑proof and highly durable, with a long service life even in harsh outdoor conditions.

Metal noise barrier /Galvanized or Aluminum Noise Barrier

Metal noise barrier

Noise barrier is a three-layer structure.

The first layer is the perforated metal sheet. The common material of perforated metal sheet is aluminum. Mild steel, galvanized steel or powder coated steel sheet are also available. The hole type of perforated metal sheet can be micro holes or louver holes.
The second layer is sound absorbing material infill. The sound absorbing material has excellent sound or noise absorbing performance, it can reduce the noise and keep quite. The main infill material is glass wool. Other absorbing materials are available.
The third layer is metal sheet. The material of metal sheet is same as the perforated metal sheet. But there is no any hole on the metal sheet.

Features of noise barrier

Three layer structure for better noise absorbing and weakening.

Easy to install. It does not need special tools.

Lightweight. The aluminum noise barrier is lighter than other materials.

Durable. different surface treatment can ensure the long service life of noise barrier.

Various colors for choice. Different colors to be painted onto the noise barrier to suit the surrounding environments.

Flexible. It can be used with different other types of noise barrier to suit different application.

PMNB-2 Glass wool is mainly for absorbing noisePMNB-2 Glass wool is mainly for absorbing noise

PMNB-3 Metal sheet is the third layer of noise barrierPMNB-3 Metal sheet is the third layer of noise barrier

Acrylic composite noise barrier

This noise barrier is mainly composed of high-transparency acrylic panels, sound-absorbing materials, steel structure frames, metal panels, and sealing and connecting parts.

It features high transparency, excellent noise reduction, outstanding weather resistance, anti-aging performance, high strength, and long service life. It is lightweight, easy to install and maintain, with an attractive appearance, making it widely used in highways, railways, viaducts and other noise-sensitive areas.

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Application of noise barrier

The Jinnuo noise barrier has undergone laboratory tests and its noise reduction capacity can reach 15 to 35 dB, effectively controlling noise within the national and local environmental noise standards. Therefore, it is highly suitable for noise-sensitive environments such as hospitals, schools, office buildings, and residential areas.

Jinnuo acoustic screens provide professional noise reduction for commercial, industrial and public applications. Featuring advanced technology and excellent weather resistance, they ensure long durability and stable performance in harsh outdoor environments. Widely used in roads, railways, viaducts, factories and construction sites, they effectively protect residential areas, schools, hospitals and office buildings from noise.

By application

Acrylic sound barrier

Closed-type highway noise barrier

factory noise barrier

Highway noise barrier

Machinery and equipment noise barrier

overpass noise barrier

railway noise barrier

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