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Application

Applications where aesthetics and strength are key parameters

Description

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

  • Enables secure, weather resistant ventilation with exclusion of insects. Physical free area: 49 %.
  • Aluminium profiles with choice of finish. Blades at 50 mm centres.
  • Suitable for insertion into wall openings from exterior. 40 mm (maximum) flange overlap.
  • 4 mm 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 D (low), without water channel.

Similar models:

  • 411 - Available for lighter duty, with superior watertightness.
  • 421R - Available for round apertures.

General information

Color

Other

Guidance for specification option:

All RAL colours

Natural anodised

Anolok

Manufacturer guidance

All RAL colours

Natural anodised

Anolok

Finish

Anodized

Mill

Powder-coated

Gloss

Semi-gloss

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Material

Aluminium

Shape

Circle

Crescent

Diamond

Elliptical

Hexagon

Show more

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

Ten year

Uniclass

Pr_30_59_48_04 Aluminium louvre panel unitsPrimary

CAWS

L10/650 Metal louvres

Product range

Louvres / Built-In Wall Louvres

Specification data - Aluminium louvre panel units

Product Reference

Aluminium Louvre Grille 421, rectangular

Aluminium Louvre Grille 421, round

Aluminium Louvre Grille 421, self-assembly

Dimensions

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 ___

Guidance for specification option:

Requires coupling bars.

Mounting

Backframe

Guidance for specification option:

Nonstandard option. Required for panels larger than 3 m².

Brackets type 1428

Guidance for specification option:

Standard option. Screw fix to reveal.

As drawing ___

Finish (aluminium components)

Anodized, bronze

Guidance for specification option:

20 µ. Type E6/ EV1 to DIN 17611.

Anodized, natural

Guidance for specification option:

20 µ. Type E6/ C34 to DIN 17611.

Polyester powder coating, RAL colour ___, sheen ___ %

Guidance for specification option:

60–70 µ.

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

Guidance for specification option:

60–70 µ.

Other requirements

None

Coupling bar

Guidance for specification option:

For multiple panel unit.

Drainage profile

Guidance for specification option:

Projecting drip for fixing to bottom flange.

Dust filter

Guidance for specification option:

With aluminium frame. Fixes to interior of louvre panel.

Mesh, 2.3 x 2.3 mm

Guidance for specification option:

Standard option. Grade 304 stainless steel.

Mesh, 6 x 6 mm

Guidance for specification option:

Nonstandard option. Grade 304 stainless steel.

Water channel

Guidance for specification option:

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

Standard product features

Material:

Aluminium alloy: AlMgSi 0.5 to DIN 1748.

Sustainability data

Contains Red List materials

No

Country of material origin

Belgium

Country of product manufacture

United Kingdom

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

2 kg CO₂ eq/kg

Recyclability

100%

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

60 %

Guidance for specification option:

15-60%

Manufacturer guidance

15-60%

Literature

Louvres

Louvres

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