INNIVATE brings an innovative triple-threat solution to the table in the form of our IAR-150 Acoustic Rain Defence performance louvres. Expertly designed to reduce environmental noise pollution and water entry whilst still providing excellent airflow, the IAR-150 Acoustic Rain Defence louvres are a gamechanger.
| Louvre Model | IAR-150 | ||
| Blade Configuration | Double | ||
| Blade Spacing | 75 mm | ||
| Blade Depth | 143 mm | ||
| System Depth | 147 mm | ||
| Front Blade Orientation | Horizontal | ||
| Rear Blade Orientation | Horizontal | ||
| Rain Defence Class
AIRFLOW VELOCITY IN M/S |
AIRFLOW VELOCITY IN M/S |
0.0 | A |
| 0.5 | B | ||
| 1.0 | B | ||
| 1.5 | C | ||
| 2.0 | D | ||
| 2.5 | D | ||
| 3.0 | D | ||
| 3.5 | D | ||
| Airflow Coefficient* | 0.268 | ||
| Airflow Class | 3 | ||
| Rain Defence Rating | Good | ||
| Airflow Rating | Good | ||
SOUND TRANSMISSION LOSS(dB)
| Octane Band Centre Frequency, Hz | Louvre Depth (mm) | 63 | 125 | 250 | 500 | 1k | 2k | 4k | 8k |
| IAR-150 | 150 | 1 | 5 | 2 | 1 | 2 | 6 | 14 | 11 |
NOISE REDUCTION(dB)
| Octane Band Centre Frequency, Hz | Louvre Depth (mm) | 63 | 125 | 250 | 500 | 1k | 2k | 4k | 8k |
| IAR-150 | 150 | 7.6 | 10.2 | 7.1 | 7.1 | 8.9 | 13.6 | 23.6 | 22.9 |
OUTDOOR INDOOR TRANSMISSION CLASS(OITC) = 3
SOUND TRANSMISSION CLASS CONTOUR (STC) = 4
Testing is carried out to ASTM E90-09 (2016): “Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements.
NOISE REGENERATION VALUES(dB)
| Face Velocity (m/s) / Sound Pressure Level | 63 | 125 | 250 | 500 | 1k | 2k | 4k | 8k | A-Weighted Sound Pressure (dB) |
| 1.50 | 50.6 | 40.9 | 37.5 | 40.4 | 37.0 | 29.0 | 15.4 | 14.0 | 41.1 |
| 2.50 | 60.1 | 51.6 | 47.5 | 51.2 | 48.6 | 40.5 | 30.1 | 16.2 | 41.1 |