Aluminium Louvre Grille 481

Framed-panel, single-bank, inclined-blade, fixed-louvre aluminium ventilator, for wall recess mounting.

Enables secure, weather resistant ventilation with exclusion of insects. Physical free area: 60 %.

Aluminium profiles with choice of finish. Blades at 50 mm centres.

Suitable for insertion into wall openings from exterior. 40 mm flange overlap.

4 mm projecting external flange.

Internal reveal fixing.

Dimensions (minimum): 150 x 150 mm. Made to measure.

Panel thickness: 50 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

Aluminium Louvre Grille 481

Dimensions of aperture (w x h x wall thickness)

___ x ___ x ___ mm

As drawing ___



Nonstandard option. Required for panels larger than 3 m².

Bracket type 1428

Standard option. Screw fix to reveal.

As drawing ___

Finish (aluminium components)

Anodized, bronze

20 µ. Type E6/ EV1 to DIN 17611.

Anodized, natural

20 µ. Type E6/ C34 to DIN 17611.

Polyester powder coating, RAL colour ___, sheen ___ %

60–70 µ.

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

60–70 µ.

Other requirements


Drainage profile

Projecting drip for fixing to bottom flange.

Mesh, 2.3 x 2.3 mm

Nonstandard option. Grade 304 stainless steel.

Mesh, 6 x 6 mm

Standard option. Grade 304 stainless steel.

Water channel

Bottom profile with projecting interior collection channel, weathered to exterior.

Standard product features


Aluminium alloy: AlMgSi 0.5 to DIN 1748.

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