Acoustic louvres SONIE GNB

SONIE GNB

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Advantages

Performances Tested by an external laboratory (EN 7235)
Attenuation Optimized thanks to sound-proofing within the blades
Protection Anti-bird wire mesh

Dimensions

Min 400 x 450 mm
Max 1800 x 2400 mm
Mounting Multiple tuned louvres available (several units)
Frame’s width 300 mm
Blades’ step 150 mm
Grille Acoustique de Ventilation - SONIE GNB Acoustic Louvre

Characteristics

The GNB acoustic louvre enables to reduce the ventilation noise on frontage buildings. It can be placed either for air intake or air discharge. The GNB acoustic louvre is suitable for commercial applications.

Material:

  • Frame: galvanized or stainless steel, aluminium
  • Sound proofing: rot-proof and water-repellent mineral wool inside the blades
  • Anti-erosion protection: perforated metal sheet placed under the blades
  • Anti-bird wire mesh

Recommended air velocities:

  • Air discharge: 5 m/s
  • Air intake: 2 m/s

In option:

  • Double louvre (series assembly) for better attenuations
  • Powder coatings to any standard RAL colour on request

Grille Acoustique de Ventilation - SONIE GNB Acoustic Louvre

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