EWL Extruded Weather Louvre Datasheet
Product features, construction imagery, EN 13030 weather-performance results and aerodynamic information for the EWL Extruded Weather Louvre.

EWL
EWL Extruded Weather Louvre
EWL is a single-bank extruded weather louvre designed to provide high-performance rain defence while supporting screening and ventilation. Its 50 mm pitch system can be configured horizontally or vertically and is available in continuous runs for larger applications.
Pre-assembled construction and versatile fixing points support efficient installation across a wide range of building applications.
EWL
A single-bank extruded weather louvre at 50 mm pitch for screening and ventilation applications requiring high-performance rain defence.
Horizontal Configuration: EWL/H with insect mesh — published test configuration.
Horizontal Rain Defence:
Horizontal Aerodynamic Performance: Cv: 0.253; Aerodynamic Class: 3.
Vertical Configuration: EWL/V
Vertical Rain Defence:
Vertical Aerodynamic Performance: Cv: 0.287; Aerodynamic Class: 3.
Configuration: Single bank
Blade Pitch: 50 mm
System Type: Extruded weather louvre
Mullion Connection: Aluminium mullion clips
Panel Arrangement: Available in continuous runs for larger applications
Orientation: Horizontal or vertical
EWL uses a single-bank extruded louvre arrangement at 50 mm pitch. Aluminium mullion clips support the panel construction, and the system can be configured in continuous runs and mounted horizontally or vertically.
Pre-assembly: Pre-assembly ensures quick installation.
Fixing: Versatile fixing points
Orientation: Can be mounted horizontally and vertically.
Large Applications: Available in continuous runs.
Weather Performance: Test results published in accordance with EN 13030.
Published Test Conditions: 13 m/s wind speed; 75 mm/hr rainfall.
Published EWL weather-performance results are presented separately for horizontal and vertical configurations.
EWL
Access the published EWL product and performance information, or contact ALUMADE® for project-specific technical support.
Product features, construction imagery, EN 13030 weather-performance results and aerodynamic information for the EWL Extruded Weather Louvre.
Project-specific sizing, configuration, airflow and weather-performance information can be coordinated for your project.
COLT Louvre Systems