Double-bank louvre for applications where a continuous blade appearance is desired and a high level of rain defence must be maintained.
ENTRY
DISCHARGE
Features & Advantages
- The A-3250 ventilation louvre blades create a continuous line across a façade
- A high-performance vertical blade louvre module is positioned at the rear to offer excellent protection against wind-driven rain ingress
- The back modules are powder-coated black as standard to conceal their appearance
- Front blades are clipped on-site into the blade braces, which are pre-attached to the back modules
- In areas where only parts of the façade are functionally active, blanking panels are used behind the ventilation louvres in non-active zones, helping to reduce costs
- Sightproof design
KEY FEATURES
- Mullion Type: Hidden
- Overall Depth: 207mm
- Blade Pitch (Front): 75mm
- Weight: 36kg/m2 based on a 2m x 2m module size
Download data sheet for sectional details
PERFORMANCE
SUMMARY
INTAKE
EXHAUST
- Rain Penetration Class: A up to 3.5m/s
- Airflow Class: 3 (entry & discharge)
- Airflow Coefficient Ce (entry): 0.294
- Airflow Coefficient Cd (discharge): 0.299
See performance data sheet for full performance details.
MATERIALS & FINISHES
MATERIALS
- Aluminium alloy 6063-T6
FINISH OPTIONS
- Mill finish
- Clear or colour anodised
- Polyester powder coated Matt (standard) or gloss
OPTIONAL EXTRAS
- Head / side flashings
- Blanking panels (single skin or insulated)
- Bird / vermin guards, insect mesh
- Dampers
PROJECTS
Specification
Guidance
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.
