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Noise Barrier WHIS®Wall

The WHIS®wall combines a low noise barrier with a weathering steel diffractor. That amounts to 1 meter in height, all in all. It achieves a 7 to 9 dB noise reduction, equal to a 3 meter regular noise barrier.

Product Characteristics

The noise barrier WHIS®Wall work through the principle of diffraction. This gives our products many benefits compared to other solutions: they leave views intact, they’re cheaper, and they’re simple and fast to install. They can also easily achieve extra noise reduction in existing situations.

The frequency range for the WHIS®Wall is 400 to 2000 Hz and the weight is approximately 1000 kg/meter at a concrete strength of C40/50.

  • High noise reduction
  • Cost-effective solution
  • Easy to install
  • Preserves view

Material properties

  • Options:
    • Diffracting part
      • Corten steel
      • Aluminum
      • Galvanized
      • Coated
    • Substructure
      • Absorbent concrete
      • Reflective concrete
      • Gabion
      • Stone strips
      • Green image

Noise Level Field Test

 

Notice the increase in noise level when the car has passed the WHIS@Wall. The noise barrier ends in the center of the recorded footage.

Product Applications

The WHIS®wall is suitable for various kinds of infrastructure where traffic noise is a problem.

  • Railroads
  • Linkroads
  • Country roads
  • Distributor roads
  • Highways

Technical Specifications

WHIS®Wall technical specificationswhis-wall-technical-specifications.xlsx

Properties

Standard dimensions: 2980 x 1020 x 1020 mm
Reduction frequency range: 400 – 2000 Hz
Strength class: C40 / 50
Reduction: 7 to 9 dB
Weight: ca 1000 kg / meter

Installation

Mounted with a custom clamp
The WHIS®wall requires only a flat and strong foundation
You can produce up to 300 meters per day
Maintenance: just once a year

Downloads

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