Renson 449 - CUSTOM-MADE acoustic ventilation grille - Renson

Renson 449 - CUSTOM-MADE acoustic ventilation grille - Renson

The 449 is a CUSTOM-MADE acoustic ventilation grille with acoustic reduction.

Acoustic ventilation grilles are used in various applications to provide intensive ventilation combined with noise attenuation.
In residential buildings, for example, acoustic grilles are integrated into the facades exposed to noise.

Also in industrial buildings , acoustic grilles are used to attenuate the noise of technical installations.
The grilles are made from aluminum profiles. The slats are equipped with sound reduction material (non-flammable mineral wool).

Material :

• Made from Alu AlMgSi 0.5 profiles (according to EN 12020-2)
• Standard: 304 stainless steel mesh - 6 x 6 mm
• 100% stainless
• Sound reduction material: Non-flammable mineral wool
• Finish: natural anodized (20 microns) or powder coated in all RAL colors (60-80 microns)

Dimensions:

• Blade pitch: 170 mm
• Minimum dimensions: 250 x 430 mm
• Height per blade pitch: 170 mm
• Installation depth:
  • 449/150 - 143mm
  • 448/225 - 218mm
• Frame coverage: 55 mm

Features :

1. Recessed frame for better aesthetics
2. Aesthetic and optimized blade shape for higher air flow
3. Mineral wool for sound reduction

Acoustic attenuation:

• 449/150: Rw of 10 dB
• 449/225: Rw of 13 dB