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Steel Louvre Grille 511

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

  • Enables secure, weather resistant ventilation with exclusion of insects. Physical free area: 43 %.
  • Blades at 33.5 mm centres.
  • Suitable for insertion into wall openings from exterior with flange overlap.
  • 4.5 mm external flange projection.
  • Internal reveal fixing.
  • Choice of standard dimensions.
  • Panel thickness: 32.5 mm.

General information


All steel

Finish: Electroplated 10µ, FeZn12C

Uniclass 2015

Pr_30_59_48_13 Carbon steel louvre panel unitsPrimary


L10/650 Metal louvres

Specification data - Carbon steel louvre panel units

Product Reference

Steel Louvre Grille 511

Unit dimensions

200 x 200 mm

300 x 300 mm

400 x 200 mm

400 x 300 mm

400 x 400 mm



Nonstandard option. Required for panels larger than 3 m².

Bracket type 418

Standard option. Screw fix to reveal.

As drawing ___

Blade fixing


Standard option.


Nonstandard option. For extra strength.

Finish (aluminium components)

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


Water channel

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

Standard product features


  • All steel.
  • Finish: Electroplated 10µ, FeZn12C.


5 x 5 mm.

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