The A-3105 aluminium ventilation louvre consists of horizontal blade profiles with hidden aluminium mullions, creating a perfect single line aesthetic.
Composed of aluminium uprights and Z-shaped extruded aluminium blades, our A-3105 ventilation louvre is an economical solution to efficient, aesthetically pleasing ventilation.
Testing in accordance with AMCA 500-L-99
| Core Ventilation Rate (m/s) | 0.0 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 |
|---|---|---|---|---|---|---|---|---|
| Rain Defence Class: | C | C | C | C | C | C | C | D |
| Effectiveness Ratio: | 91.5 | 90.0 | 88.3 | 87.0 | 84.7 | 82.6 | 80.1 | 53.5 |
| Airflow Class: | 2 | Airflow Coefficient Ce (Intake): | 0.391 | |||||
Testing in accordance with BS EN 13030:2001
| Core Ventilation Rate (m/s) | 0.0 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 |
|---|---|---|---|---|---|---|---|---|
| Rain Defence Class: | D | D | D | D | D | D | D | D |
| Effectiveness Ratio: | 63.9 | 55.3 | 48.8 | 41.3 | 38.2 | 32.8 | 28.9 | 24.5 |
| Airflow Class: | 2 | Airflow Coefficient Ce (Intake): | 0.391 | |||||
- Material: Aluminium.
- Blade pitch: 75 mm.
- Louvre depth: 127 mm.
- Finish:
- Mill finish aluminium.
- Anodised – clear or coloured.
- Polyester powder coated.
- Zero VOC fluoro-polymer powder coated.
- Guards: Bird/vermin guards and insect guards are available.
PLEASE NOTE: Guards create additional resistance to airflow and reduce flow rate, louvre sizes should be adjusted allow for this.
- Blanking panels: Single skin and insulated panels are available.
- Performance:
- Discharge loss coefficient: 0.39
- Air flow class 2.
- Penetration class:
- Airflow 1 m³/s: D.
- Airflow 3 m³/s: D.
- Airflow 5 m³/s: D.
This product is associated with the following NBS clauses:
- L10 Windows / Rooflights / Screens / Louvres
- 650 METAL LOUVRES
- RIBA Accredited CPD available for this product range
- Specification Guide
