Concealed behind an attractive perforated skin, Perform PL-5700 louvres offer excellent weather performance, combined with good airflow and sight screening.
ENTRY
DISCHARGE
Classifications based on testing to EN 13030.
Features & Advantages
- Complex extruded blade design in a vertical configuration for maximum rain defence performance
- Multiple channels in blades collect and drain water from the louvred area
- Perforated aluminium face conceals the louvre while offering a modern appearance
- Louvre module is powder-coated matt black as standard for maximum concealment
- Supplied to site as pre-fabricated modules for efficient installation
- Optional glazing frames allow for easy integration into curtain walling or glazed façades
- Sightproof design
Specification Calculators
KEY FEATURES
- Blade orientation: Vertical
- Joint options:
- Perforated sheet: invisible joints
- Louvre modules: hidden behind perforated sheet; mullions are interlocking
- Louvre depth: 191 mm (standard and glazing frame)
- Blade pitch: 51 mm
- Weight: 32 kg/m2, based on a 2 m x 2 m module size
- Maximum module dimensions (based on 1.5 kPa wind load):
- Max width: 3600 mm*
- Max height: 3600 mm*
* Maximum unit weight: 150 kg, including accessories. Site access and lifting capability should be assessed prior to specification and installation.
Download Technical Datasheet for detailed drawings.
PERFORMANCE
EN 13030
- Airflow Class: 3 (entry & discharge)
- Airflow Coefficient Ce (entry): 0.252
- Airflow Coefficient Cd (discharge): 0.222
- Wind-Driven Rain Performance Class:
- 13 m/s, 75 mm/hr = A up to 3.0 m/s
Weather considerations:
Perform Louvres are not suitable for use in areas where perforations may become blocked or clogged with snow, ice, debris, or other occlusions. To maximise their performance, prevent property damage and provide a safe environment, they should be inspected and maintained regularly.
MATERIALS & FINISHES
MATERIALS
Perforated sheet:
- 3 mm thick aluminium alloy 1050 H14/H24 as standard
- Perforation pattern: 9.5 mm Ø holes, with 12.7 mm staggered centres and pitch.
- Louvres:
- Aluminium alloy 6063-T6.
- Nominal thickness: 1.52 mm and 1.91 mm for blades, 2.54 for head, cill and jamb frames, and for mullions
FINISH OPTIONS
- Louvres: powder-coated matt black as standard
- Perforated sheet:
- Mill finish aluminium
- Clear or colour anodised
- Polyester powder-coated – matt (standard) or gloss
OPTIONAL EXTRAS
- Glazing frame
- Head / cill / jamb cover plates
- Blanking panels (single skin or insulated)
- Bird / vermin guards, insect mesh
- Louvred doors
- Dampers
PROJECTS
Specification
The principal reason for using louvres is to allow the movement of air. But, louvre specification is a balance between form and function, with louvred façade appearance playing an important part in the selection process.

