Acoustic Louvre 445/300

Framed panel, double-bank, fixed-louvre, aluminium ventilator with acoustic insulation, for wall recess mounting.

  • Enables secure, weather resistant ventilation with acoustic attenuation and exclusion of insects. Physical free area: 35 %. Suitable for plant rooms, car parks, industrial buildings.
  • Application can be designed by manufacturer to suit performance requirements for acoustic attenuation and airflow. Consult Renson.
  • Aluminium profiles with choice of finish. Blades at 150 mm centres with 55 mm voids. Solid upper surface, perforated lower surface, mineral wool fill.
  • Suitable for insertion into wall openings from exterior. 40 mm (maximum) flange overlap. Concealed fixing to wall reveal.
  • Weighted sound reduction index: 16 dB.
  • Dimensions (minimum): 300 x 300 mm (w x h, without flange). Vertical module of louvres: 150 mm.

General information


Aluminium alloy: AlMgSi 0.5 to DIN 1748

Uniclass 2015

Pr_30_59_48_04 Aluminium louvre panel unitsPrimary


L10/650 Metal louvres

Specification data - Aluminium louvre panel units

Product Reference

Acoustic Louvre 445/300

Dimensions of aperture (w x h x wall thickness)

___ x ___ x ___ mm

As drawing ___

Finish (aluminium components)

Polyester powder coating, RAL colour ___, sheen ___ %

60–70 µ.

Polyester powder coating, Syntha Pulvin colour ___, sheen ___ %

Other requirements



Nonstandard option. Required for panels larger than 3 m².

Bird mesh, 6 x 6 mm

Grade 304 stainless steel.

Standard product features


Aluminium alloy: AlMgSi 0.5 to DIN 1748.

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