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CS Louvres Ventilation Louvre PL-4080 - Perform™ Ventilation Louvres

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Standard frame

Construction Specialties (UK) Ltd Variant:

Perform™ ventilation louvres with horizontal blades concealed behind an attractive perforated skin. Offers good airflow and weather performance. Classified as C 3 up to 3.0 m/s.

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Application

Ventilation louvres proving good airflow and weather performance.

Description

Perform™ ventilation louvres with horizontal blades concealed behind an attractive perforated skin. Offers good airflow and weather performance. Classified as C 3 up to 3.0 m/s.

Features and benefits:

  • Widely spaced extruded blades for maximum airflow performance.
  • Perforated aluminium face conceals the louvre while offering modern appearance.
    • The screen can be supplied anodized or powder-coated. Louvre modules are powder-coated black as standard for maximum concealment.
  • Glazing frame option available.
  • Sight-proof design.
  • Delivered to site as pre-fabricated modules for efficient installation.

General information

Color

Silver

Other

Finish

Mill

Anodized

Powder-coated

Material

Aluminium

Length

191 mm

Manufacturer guidance

Louvre depth inc. perforated screen.

Width

Bespoke

Guidance for specification option:

Module dimensions (based on 1.5 kPa wind load):

• Max height: 3550 mm*

• Max width: 3550 mm*

* Max. perforated sheet size is approx. 3550 x 1400 mm. Units exceeding this size will have joints in the perforated sheet. Perforation is directional.

For manual handling purposes max 80 kg per unit is recommended. Louvre weight is 21 kg/m2, based on a 2 m x 2 m module size.

Height

Bespoke

Guidance for specification option:

Module dimensions (based on 1.5 kPa wind load):

• Max height: 3550 mm*

• Max width: 3550 mm*

* Max. perforated sheet size is approx. 3550 x 1400 mm. Units exceeding this size will have joints in the perforated sheet. Perforation is directional.

For manual handling purposes max 80 kg per unit is recommended. Louvre weight is 21 kg/m2, based on a 2 m x 2 m module size.

Warranty description

Two year

Guidance for specification option:

Product warranty.

Warranty for finishes (powder-coated or anodised) is up to 30-years.

Uniclass

Pr_30_59_48_04 Aluminium louvre panel unitsPrimary
Ss_25_10_20/540 Custom-made louvres

CAWS

L10/54 Louvres

L10/650 Metal louvres

H11/140 Louvres

SKU Code

PL-4080

Product range

CS Architectural Louvres - Ventilation

Specification data - Aluminium louvre panel units

Size (l x w x d)

-

Manufacturer guidance

Insert requirements or insert As drawing or As schedule.

Module dimensions (based on 1.5 kPa wind load):

  • Maximum height: 3550 mm*
  • Maximum width: 3550 mm*
  • Unit depth: 191 mm.

*Maximum perforated sheet size is approx. 3550 x 1400 mm. Units exceeding this size will have joints in the perforated sheet. Perforation is directional. For manual handling purposes maximum 80 kg per unit is recommended. Louvre weight is 21 kg/m², based on a 2 x 2 m module size.

Combine units to suit any requirements.

Material

Perforated sheet: 3 mm-thick, aluminium alloy 1050 H14/H24 as standard. All other components to be one-piece members extruded from aluminium alloy 6063-T6(nominal minimum thickness to be 1.73 mm & 1.98 mm for blades, 2.54 mm for heads, cills, jambs & mullions).

Finish

Mill finish perforated screen/ matt black louvre.
Anodized (clear) perforated screen/ matt black louvre.
Anodized (colour) perforated screen/ matt black louvre.

Guidance for specification option:

Insert colour requirements.

PPC (matt), colour perforated screen/ matt black louvre.

Guidance for specification option:

Insert colour requirements.

Standard for polyester powder-coated finishes.

30 gloss units.

PPC (gloss), colour perforated screen/ matt black louvre.

Guidance for specification option:

Insert colour requirements.

70 gloss units.

Colour

As Finish.

Construction

Supplied as modules, mechanically assembled using stainless steel fasteners.

Guidance for specification option:

  • Perforated sheet sections are attached to louvre modules and butt jointed for a uniform look across the facade.
  • Perforation pattern: 9.5 mm-diameter holes with 12.7 mm staggered centres and pitch.


Other perforation screen options can be supplied but may be subject to additional testing to establish airflow and rain defence performance).

Weather performance

-

Water penetration class (minimum)

To BS EN 13030, class C up to 3.0 m/s.

Guidance for specification option:

Class B at 0.00 m/s; Class D at 3.5 m/s.

Discharge loss coefficient (minimum)

To BS EN 13030, class 3: Airflow coefficient Ce (entry): 0.260; Cd (discharge): 0.253.

Louvre configuration

-

Number of banks

One.

Blade orientation

Horizontal.

Blade pitch

100 mm.

Blade angle

38°.

Accessories

None.
Bird/ vermin guard, galvanized steel welded mesh.

Guidance for specification option:

Standard bird/ vermin guard. Pre-fitted welded aluminium frame included.

Stainless steel mesh available on request.

 

As guards of any type create additional resistance to airflow and reduce flow rate, louvre sizes should be adjusted to allow for this.

Bird/ vermin guard, expanded aluminium welded mesh.

Guidance for specification option:

Mill finish as standard, can be powder-coated in RAL colours to match louvre.

Pre-fitted welded aluminium frame included.

 

As guards of any type create additional resistance to airflow and reduce flow rate, louvre sizes should be adjusted to allow for this.

Insect mesh, PVC-coated fibreglass.

Guidance for specification option:

As standard; stainless steel mesh available on request.


As guards of any type create additional resistance to airflow and reduce flow rate, louvre sizes should be adjusted to allow for this.

Louvred door(s).

Guidance for specification option:

Insert requirements.

  • Manufactured to bespoke sizes and specifications.
  • Maximum size of a single door leaf is 2400 x 1200 mm (may vary per model type).
  • Single and double door configurations are available.
  • Door leaf frames filled with louvre blades to match the rest of the louvred facade.
  • Typically supplied with a door frame and pre-fitted hinges.
  • Other hardware, including locks, door closers etc. can be supplied.

Volume control dampers.

Guidance for specification option:

Contact manufacturer for available options and insert requirements.

Snap-on cover plate to close-off louvre frame.

Guidance for specification option:

Used to close off head frame, cill frame and/ or jamb. Insert requirements.

Blanking panels

Not required.

Single-skin aluminium panels, standard powder-coated black to one face only.

Guidance for specification option:

  • Standard.
  • 1.2 mm thick aluminium sheet.
  • Powder-coated face is on the louvre side, facing the exterior.

Single-skin aluminium panels, powder-coated black to both sides.

Guidance for specification option:

  • On request.
  • 1.2 mm thick aluminium sheet.

Single-skin aluminium panels, powder-coated to match louvre.

Guidance for specification option:

  • On request; specify colour/ finish required.
  • 1.2 mm thick aluminium sheet.

Single-skin aluminium panels, mill finish.

Guidance for specification option:

  • On request.
  • 1.2 mm thick aluminium sheet.

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Sustainability data

Contains Red List materials

No

Material

Aluminium

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

55 %

Guidance for specification option:

Aluminium components are manufactured using minimum 55% recycled content (mix of pre- and post-consumer scrap).

Other aluminium options can be offered subject to minimum quantities, contact manufacturer to discuss your requirements.

Literature

CS Architectural Louvres (2025)

CS Architectural Louvres (2025)

CS PL-4080 Ventilation Louvre Product Sheet (02.25)

CS PL-4080 Ventilation Louvre Product Sheet (02.25)

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