What you will learn
Download the Sonic Series acoustic louvres SL4-20C datasheet for technical information to support product assessment and specification, including:
- Acoustic performance, including Rw 29 performance and frequency data
- Airflow performance including Class 2 airflow, 29% free open area and pressure drop data
- 200mm chevron blade performance including the 9dB gain over the standard SL4-20 at the same depth
- Rain penetration performance including Class B performance at 0m/s core velocity and results across the tested velocity range
- Technical specifications and applications including construction, test standards, customisation and typical project uses
