Core Advantages

• Dual Sound Absorption & Isolation, Excellent Noise Reduction EffectOur metal acoustic barrier uses 32–48kg/m³ sealed centrifugal glass wool inside, average sound absorption coefficient ≥0.85, sound insulation index Rw≥35dB. Arc top and bent top options weaken bypassing diffraction noise, far better noise reduction than ordinary solid noise walls, perfectly solving continuous traffic and mechanical noise issues.

  
  

• Multi-Layer Anti-Corrosion, Long Outdoor Service LifeTwo mainstream panel materials for traffic noise barrier: galvanized steel sheet for inland ordinary roads; aluminum alloy sheet with fluorocarbon/polyester spray coating for coastal, chemical, high humidity regions. H-beam support posts adopt full hot-dip galvanizing, resisting acid rain, salt spray, UV radiation. Galvanized version service life over 10 years, aluminum version reaches 15–20 years without rust or coating peeling.

  
  

• Lightweight High-Strength Structure, Strong Wind & Vibration ResistanceIntegral pressed forming metal sound barrier panel, thin thickness but high structural rigidity. Matched reinforced H steel uprights, maximum wind resistance up to 3.0kPa, passes high-speed rail aerodynamic vibration test, stable for long-term operation on viaduct, bridge and high-speed railway without deformation or collapse.

  
  

• Modular Prefabricated Design, Fast On-Site InstallationAll metal sound barrier panels are factory prefabricated as standard modules, uniform size, easy stacking and container transportation. No complex large construction equipment needed; workers complete assembly, hoisting and fixing rapidly, greatly cutting construction period and labor cost compared with concrete noise barriers.

  
  

• Customized Landscape Appearance, Harmonious with Urban EnvironmentCustomizable RAL spray colors: dark gray, dark green, sky blue, white etc. Optional vertical slotted perforation, round hole perforation, louver surface styles. Combine metal sound-absorbing panel + transparent PC sound barrier upper part for residential road sections to balance noise control and daylighting, widely adopted for municipal landscape road projects.

  
  

• Wide Scene Adaptability, Low Later Maintenance CostWaterproof sealed inner sound-absorbing cotton prevents damp and dust from lowering acoustic performance. Smooth metal surface easy to wash and clean; no frequent replacement or maintenance required after installation, effectively reducing long-term engineering operation cost for highway and industrial park projects.

Standard Technical Parameter Table

Product Classification

1. Highway Metal Noise Barrier

   Vertical straight / top bent arc metal sound barrier, galvanized steel main material, high cost performance, for ordinary expressway, urban arterial road noise reduction.

2. High-Speed Rail & Railway Sound Barrier

   Thickened reinforced panel + high wind-resistant H post, vibration fatigue resistant, wind tunnel tested, suitable for high-speed line, railway bridge noise control.

3. Bridge Viaduct Noise Barrier

   Lightweight aluminum alloy panel, low load on bridge deck, combined metal + transparent PC composite structure, widely used for city viaduct crossing residential areas.

4. Industrial Plant Boundary Noise Barrier

   Full-height enclosed metal acoustic wall, thickened sound absorption cotton, target cooling tower, fan, crusher, factory workshop mechanical noise, help enterprises meet environmental protection emission standards.

5. Landscape Composite Sound Barrier

   Lower metal sound absorption panel + upper transparent PC barrier, colorful spray coating, used for park roads, community surrounding roads, tourist scenic roads.

 Application Scenarios

• Highway, urban road, overpass, viaduct noise abatement projects

• High-speed railway, passenger dedicated line, railway bridge noise control

• Residential district surrounding traffic noise isolation

• Factory boundary, cooling tower, air conditioner unit, pump room noise reduction

• Mining area, crushing station, power plant industrial noise treatment

• Park, scenic spot, municipal landscape acoustic engineering

Installation Steps

Step1: Foundation Construction

Complete concrete foundation pouring and embedded bolt fixing according to construction drawing, ensure flat and firm ground for upright posts.

Step2: H Steel Post Installation

Hoist hot-dip galvanized H posts onto embedded bolts, adjust verticality, tighten nuts and fix firmly.

Step3: Metal Sound Barrier Panel Hoisting

Lift prefabricated metal acoustic panels between two posts, align the upper and lower card slots for seamless splicing.

Step4: Sealing & Top Accessory Installation

Fill rubber sealing strips between panels and posts to eliminate sound leakage gaps; install arc top cover or bent top sound insulation accessory.

Step5: Integral Inspection & Reinforcement

Check all panel joints, post fixing tightness, supplement anti-rust paint on construction cut parts, finish overall stability test.

Packing & Global Shipping

Metal noise barrier panels are wrapped with plastic film + wooden pallet bundled, separated by foam pad to prevent scratch coating; H steel posts packed in steel frame bundles, sealing strips and accessories packed in separate export cartons. Adaptable to 20GP/40HQ sea containers, long-distance ocean transportation without deformation, scratch or rust damage, fully meet global export standards.

 FAQ

Q1: Which metal noise barrier is suitable for coastal saltwater environment?A: Aluminum alloy metal sound barrier with fluorocarbon spray coating is the first choice for coastal cities, resisting salt fog corrosion for over 15 years; inland ordinary highways can select cost-effective galvanized steel panels.

Q2: How much noise can metal acoustic barrier reduce?A: Conventional metal noise barrier achieves 15–28dB(A) insertion loss; thickened high-density sound absorption cotton reinforced model reaches 28–35dB(A), obviously lowering traffic noise interference to nearby residents.

Q3: Will internal sound absorption cotton get damp and lose effect?A: Our glass wool adopts whole plastic film sealed packaging inside panels, completely isolated from rainwater and moisture penetration, sound absorption performance remains stable during long-term outdoor use.