NBS Source
List your products

Framed panel, single bank, inclined blade, fixed louvre aluminium ventilator with roll formed coil blades, for wall mounting.

  • Enables secure, weather resistant ventilation with exclusion of insects. Physical free area: 41 %.
  • Aluminium profiles with choice of finish. Blades at 66 mm centres.
  • Suitable for insertion into wall openings from exterior with flange overlap.
  • 5 mm projecting exterior flange projection.
  • Interior reveal fixing.
  • Dimensions (minimum): 300 x 300 mm. Made to measure.
  • Panel thickness: 64.5 mm.

General information

Aluminium alloy: AlMgSi 0.5 to DIN 1748

Uniclass 2015 Aluminium louvre panel units (Pr_30_59_48_04)
Specification data
Product Reference

Aluminium Louvre Grille 453

Aperture (w x h)

___ x ___ mm

As drawing ___



Nonstandard option. Required for panels larger than 3 m².

Bracket type 429

Standard option. Screw fix to reveal.

As drawing ___

Finish (aluminium components)

Polyester powder coating, RAL colour ___, sheen ___ %

60–70 µ.

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

60–70 µ.

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.

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

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

Standard product features


Aluminium alloy: AlMgSi 0.5 to DIN 1748.