300 mm deep double-bank acoustic louvres, with a horizontal chevron blade arrangement, offering 12 dB weighted sound reduction.
ENTRY
DISCHARGE
Features & Advantages
- Chevron, double-bank design for maximum sound attenuation.
- Mineral wool infill material with acoustic, thermal, and fire-resistant properties. Water-repellent to prevent moisture build-up, damp, and rot.
- Galvanised mesh on the underside of the louvre blades maximises noise reduction performance.
- Can be installed as standalone screens or integrated into building façades. They can also be used in combination with other louvre models if required.
- Sightproof design.
- Supplied as modules, for ease of installation.
Specification Calculators
KEY FEATURES
- Blade orientation: Horizontal
- Joint options:
- Horizontal: visible or invisible
- Vertical: visible
- Louvre depth: 300 mm
- Blade pitch: 150 mm
- Weight: 45 kg/m2
- Maximum module dimensions:
- Max width: 1250 mm*
- Max height: 2500 mm*
* Maximum unit weight: 135 kg. Site access and lifting capability should be assessed prior to specification and installation.
- Minimum module dimensions:
- Min width: 300 mm
- Min height: 500 mm
Download Technical Datasheet for detailed drawings.
PERFORMANCE
AIRFLOW PERFORMANCE (EN 13030)
- Airflow Class: 4 (entry & discharge)
- Airflow Coefficient Ce (entry): 0.168
- Airflow Coefficient Cd (discharge): 0.159
ACOUSTIC PERFORMANCE (TESTED TO EN ISO 10140-2:2010)
| Octave Band Centre Frequency (Hz) | 63 | 125 | 250 | 500 | 1k | 2k | 4k | 8k |
|---|---|---|---|---|---|---|---|---|
| Sound Reduction Index (dB) | 8.3 | 2.4 | 4.3 | 6.9 | 13.9 | 13.9 | 13.1 | 13 |
| Weighted Sound Reduction Index Rw(dB) Rating according to EN ISO 717-1:2013 | 12 | |||||||
MATERIALS & FINISHES
MATERIALS
- Metal components: galvanised mild steel
- Acoustic blade infill: a fibrous, sound-absorbent infill faced with glass cloth
FINISH OPTIONS
- Unfinished as standard
- Painted in RAL colours (finish can be applied to face only, or to all surfaces)
- Matt (standard) or gloss
OPTIONAL EXTRAS
- Blanking panels (single skin or insulated)
- Bird / vermin guards, insect mesh
- Louvred doors
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.

