Aluminium Louvre Grille 412


Framed, double-bank, fixed-louvre aluminium ventilator, for exterior wall recess-mounting.

  • Enables secure, weather resistant ventilation with exclusion of insects. Suitable for enclosure of high voltage installations. Physical free area: 39 %.
  • Aluminium profiles with choice of finish. Blades at 20 mm centres.
  • Suitable for insertion into wall openings from exterior. 23 mm (maximum) flange overlap.
  • Flange overlap (maximum): 21 mm overlap, 5 mm projection.
  • Flange projection: 5 mm.
  • Internal prefixed brackets for reveal fixing.
  • Dimensions without flange (minimum): 100 x 100 mm. Made to measure.
  • Similar model 412R available for circular apertures.

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

Aluminium Louvre Grille 412, rectangular

Aluminium Louvre Grille 412, round

Aluminium Louvre Grille 412, self-assembly


Single panel, aperture (w x h x wall thickness), ___ x ___ x ___ mm

Single panel, to outer edge of frame (w x h), ___ x ___ mm

Multiple panel, as drawing ___

Requires coupling bars.



Nonstandard option. Required for panels larger than 3 m².

Brackets type 418

Standard option. Screw fix to reveal.

Pre-installation frame

Spring clips type 419

Nonstandard option. For small panels.

As drawing ___

Finish (aluminium components)

Anodized, natural

20 µ. Type E6/ C34 to DIN 17611. Diameter (maximum in one piece): 1400 mm.

Polyester powder coating, RAL colour ___, sheen ___ %

60–70 µ. Diameter (maximum in one piece): 1500 mm.

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

60–70 µ. Diameter (maximum in one piece): 1500 mm.

Other requirements


Coupling bar

For multiple panel unit.

Drainage profile

Projecting drip for fixing to bottom flange.

Dust filter

With aluminium frame. Fixes to interior of louvre panel.

Earthing lug

Insect mesh, 2.3 x 2.3 mm

Standard option. Grade 304 stainless steel.

Insect mesh, 6 x 6 mm

Nonstandard option. Grade 304 stainless steel.

Water channel

For insertion behind bottom louvre. Projecting internal collection channel with drip to exterior.

Standard product features


Aluminium alloy: AlMgSi 0.5 to DIN 1748.


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