Aluminium Louvre Grille 422
QA Certificate
Certificate type
Louvre panel aluminium ventilator, for walls.
Components for site assembly of framed, double bank, fixed louvre aluminium ventilator, for exterior wall recess mounting.
- Enables secure, weather resistant ventilation with exclusion of insects. Physical free area: 43 %.
- Aluminium profiles with choice of finish. Blades at 33.33 mm centres.
- Suitable for insertion into wall openings from exterior. 40 mm (maximum) flange overlap. 4 mm projecting external flange projection.
- Choice of internal reveal fixing.
- Dimensions (minimum): 150 x 150 mm. Made to measure.
- Panel thickness: 50 mm.
- Water tightness at wind speed 1 m/s: Class C (average), without water channel.
- Components supplied uncut. May be subject to minimum quantities.
- Similar model 421 available with single bank louvres and higher free area.
Uniclass 2015 | |
CAWS | L10/650 Metal louvres |
Product Reference | Aluminium Louvre Grille 422, rectangularAluminium Louvre Grille 422, self-assembly |
Dimensions | Single panel, aperture (w x h), ___ x ___ mmSingle panel, to outer edge of frame (w x h), ___ x ___ mmMultiple panel, as drawing ___Requires coupling bars. |
Mounting | BackframeNonstandard option. Required for panels larger than 3 m². Bracket type 1428Standard option. Screw fix to reveal. As drawing ___ |
Finish (aluminium components) | Anodized, natural20 µ. Type E6/ C34 to DIN 17611. MillFinish by others. Polyester powder coating, white colour60–70 µ. |
Other requirements | NoneCoupling barFor multiple panel unit. Drainage profileProjecting drip for fixing to bottom flange. Dust filterWith aluminium frame. Fixes to interior of louvre panel. Mesh, 2.3 x 2.3 mmNonstandard option. Grade 304 stainless steel. Mesh, 6 x 6 mmStandard option. Grade 304 stainless steel. Water channelFor insertion behind bottom louvre. Projecting internal collection channel with drip to exterior. |
Standard product features | Material: Aluminium alloy: AlMgSi 0.5 to DIN 1748. |
- BSRIA Ltd: Water tightness testing to EN 13030
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