Louvre wall manufactured from extruded aluminium profiles. The louvre blades are fitted with sound-attenuating, inflammable mineral wool on the inside. The aluminium louvre blades are locked into place on plastic blade holders. 10-year warranty.

Applications:

Continuous louvre wall.

Related literature

The following content references this product:

Standard product features

Material:

  • Louvre blades and support profiles: Aluminium, Al Mg Si 0.5.
  • Louvre holders: Polyamide, PA 6.6, reinforced with glass fibre.
  • Insulation: Mineral wool.

Recess depth:

Dependent on product and required support section, consult manufacturer's literature for information.

Sound attenuation value Rw (C;Ctr):

  • W 75L: 6 dB (0;-2).
  • W 75Z: 6 dB (0;-1).
  • W 150: 11 dB (-1;-2).
  • W 300: 17 dB (-1;-3).

Ventilation performance:

  • Physical free area: W 75L and W 75Z: 34%; W 150 and W 300: 35%.
  • Ce: W 75L: 0.21; W 75Z: 0.2; W 150: 0.3; W 300: 0.27.
  • Cd: W 75L: 0.26; W 75Z: 0.18; W 150: 0.3; W 300: 0.27.
  • K-factor inlet: W 75L: 22.25; W 75Z: 26.03; W 150: 11.04; W 300: 13.52.
  • K-factor outlet: W 75L: 15.02; W 75Z: 29.86; W 150: 10.96; W 300: 13.52.

Water resistance:

  • 0 m/s air velocity: W 75L, W 75Z and W 150: Class B; W300: Class A.
  • 0.5 m/s air velocity: W 75L and W 150: Class C; W 75Z and W 300: Class B.
  • 1 m/s air velocity: W 75L, W 75Z and W 150: Class C; W 300: Class B.
  • 1.5 m/s air velocity: W 75L and W 75Z: Class D; W 150 and W 300: Class C.
  • 2 m/s air velocity: W 75L, W 75Z and W 150: Class D; W 300: Class C.
  • 2.5 m/s air velocity: W 75L, W 75Z, W 150 and W 300: Class D.

Maximum span between two support sections:

  • W 75L: 1650 mm.
  • W 75Z: 1700 mm.
  • W 150 and W 300: 2150 mm.

Options

Finish/ Colour:

  • Anodized: Qualanod-compliant, coating thickness 15–20 µm, standard natural colour (clear anodizing).
  • Powder coated: Qualicoat-compliant, minimum average coating thickness 60–80 µm, standard RAL colours with 70% gloss.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
25-55-45/150 Louvre screen system

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

Duco Ventilation & Sun Control NV

Tel:

+44 (0) 333 772 7734

Product reference

[DucoWall Acoustic W 75L]
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L-shaped louvres, louvre pitch: 60 mm, louvre depth: 67 mm, visual free area: 76%.
[DucoWall Acoustic W 75Z]
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Z-shaped louvres, louvre pitch: 60 mm, louvre depth: 67 mm, visual free area: 95%.
[DucoWall Acoustic W 150]
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Single row of louvres, louvre pitch: 150 mm, louvre depth: 142 mm, visual free area: 74%.
[DucoWall Acoustic W 300]
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Double row of louvres, louvre pitch: 150 mm, louvre depth: 142 mm, visual free area: 74%.

Finish/ Colour

[Anodized]
[Powder coated, RAL]
-
Insert colour requirements.

Support sections

[21/50 Multi]
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For heavy loading.
[50/12]
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For light loading.
[50/50]
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For heavy loading.

Mesh

[Not required]
[Stainless steel mesh, 2.3 x 2.3 mm]
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Resistant to insects, vermin and birds.
[Stainless steel mesh, 6 x 6 mm]
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Resistant to vermin and birds.

Manufacturer details

Handelsstraat 19,
8630 Veurne,
Belgium
Tel +44 (0) 333 772 7734
Fax +32 58 330044
NBS Plus
RIBA CPD