Home > Companies > Renson Fabrications Ltd > Acoustic Louvre 445/86

Framed, single-bank, fixed-louvre panel, aluminium ventilator with acoustic insulation, for wall recess or glaze-in mounting.

  • Enables secure, weather resistant ventilation with acoustic attenuation and exclusion of insects. Physical free area: 34 %. Suitable for plant rooms, car parks, industrial buildings.
  • Application can be designed by supplier to suit performance requirements for acoustic attenuation and airflow. Consult Renson.
  • Aluminium profiles with choice of finish. Blades at 60 mm centres with 20 mm voids. Solid upper surface, perforated lower surface, mineral wool fill. Blades clip onto concealed brackets. Choice of frame with concealed fixing to wall reveal.
  • Weighted sound reduction index: 6 dB.
  • Made to measure. Dimensions (minimum, without flange): 300 x 300 mm (w x h).

Related literature

The following content references this product:

Standard product features


Aluminium alloy: AlMgSi 0.5 to DIN 1748.

Panel size:

Panels larger than 3 m² require bracing from a back structure.

NBS Specification

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This product is associated with the following NBS Create clause:
45-25-50/305 Aluminium louvre panel units

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying



Renson Fabrications Ltd


+44 (0)1622 754123

Product reference

Acoustic Louvre 445/86


[Glaze-in, visible aperture (w x h), ___ x ___ mm]
[Wall recess, aperture (w x h), ___ x ___ mm]
[Wall recess, to outer edge of frame (w x h), ___ x ___ mm]
[As drawing ___]


64 mm flanges with 50 mm (maximum) overlap. Panel thickness: 86.5 mm.
17.5 mm edge profile. 40 mm nib projection. 24 mm equivalent glazing thickness. Panel thickness: 88.5 mm.
Reveal fix. 15.5 mm lining profile. Panel thickness: 86.5 mm.

Finish (aluminium components)

[Anodized, bronze]
20 µ.
[Anodized, natural]
20 µ.
[Polyester powder coating, RAL colour ___, sheen ___ %]
60–80 µ.
[Polyester powder coating, Syntha Pulvin colour ___, sheen ___ %]

Other requirements

[Drainage profile]
Projecting drip for fixing to bottom flange.
[Dust filter]
With aluminium frame. Fixes to interior of louvre panel.
[Mesh, 2.3 x 2.3 mm]
Grade 304 stainless steel.
[Mesh, 6 x 6 mm]
Grade 304 stainless steel.
[Mesh, 10 x 10 mm]
Grade 304 stainless steel.
[Water channel]
For insertion behind bottom louvre. Projecting internal collection channel with drip to exterior.

Manufacturer details

Fairfax Units 1 - 5,
Bircholt Road,
Parkwood Industrial Estate,
Kent, ME15 9SF
Tel +44 (0)1622 754123
Fax +44 (0)1622 689478
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