KBG Group

Noise Control & Systems

Engineered acoustic enclosures and noise barrier systems achieving 20–35 dB(A) insertion loss. Compliant with CPCB noise emission norms, IS 15879, and NGT directives for highway and industrial environments.

Highway Noise Barrier

Highway Noise Barrier

Highway & Urban Traffic Noise Control

Primarily absorptive barriers installed along highways and roads to deflect traffic noise. Available in mono-absorbent or bi-absorbent designs depending on noise direction.

Thickness80 / 100 / 120 mm
Noise ReductionUp to 45 dB
MaterialsRockwool / Glasswool
High Attenuation Impact Resistant Cost Effective
Polycarbonate Noise Barrier

Polycarbonate Noise Barrier

Transparent Noise Control with High Impact Strength

Transparent or translucent barriers that reduce noise while maintaining visibility and up to 95% light transmission. UV-protected and ideal for urban roads and flyovers.

Thickness8 – 20 mm
Noise ReductionUp to 45 dB
Light TransmissionUp to 95%
Visibility & Daylight UV Resistant Shatter Resistant
Railway Noise Barrier

Railway Noise Barrier

Specially Engineered for Railway Corridors

Minimizes sound pollution from train operations in urban areas. Integrates seamlessly with existing railway infrastructure and withstands vibration and weather exposure.

Panel Height1000 – 2000 mm
Noise ControlAbsorptive / Reflective
StructureHeavy-duty modular system
Rail Noise Dynamic Loads Outdoor Durable
Engineering Data

Technical Specifications

Standard parameters. All products manufactured to custom specifications upon requirement.

Sound Insertion Loss20–35 dB(A) (design-specific)
Panel MaterialGalvanized steel / Aluminium composite
CoreMineral wool (48–96 kg/m³) / Rockwool
Height Range1.5m – 6m (highway panels)
Wind LoadUp to 1.2 kPa (IS 875 Part-3)
SurfacePowder coat / PVC film / Natural mill
FasteningM16 bolt-fixed to W-beam or RCC posts

Standards & Compliance

  • IS 15879 Acoustics — Measurement of Sound Attenuation of Highway Noise Barriers
  • CPCB E (P) Act Central Pollution Control Board Noise Emission Norms
  • NGT Orders National Green Tribunal Noise Directives
  • MORTH IRC-SP-66 Guidelines for Use of Flyash in Road Embankments & Noise Barriers
  • IS 9901 Acoustics — Measurement of Sound Absorption in a Reverberation Room

Key Applications by Sector

National Highways (NHAI/MORTH)
Metallic and polycarbonate noise barriers installed along NH corridors to comply with ambient noise standards for residential and sensitive receivers.
Metro Rail Corridors
Absorptive barrier panels and trackside enclosures engineered to attenuate rolling noise and wheel-rail interaction for elevated metro sections.
Industrial & Power Plants
Acoustic enclosures and louvred panels for compressor stations, cooling towers, and transformer bays to meet CPCB industrial zone limits.
DG Set Enclosures
Custom acoustic canopies and enclosures for diesel generator sets in commercial complexes, hospitals, and data centres for NGT compliance.

Request a Technical Quotation

Submit your project drawings for noise level assessment and barrier design recommendation.