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HC615 Acoustic Louvre 2 Stage
Description
The HC615 is a factory assembled two stage, high performance, and full chevron acoustic louvre in two banks back to back.
The following Noise Reduction Levels (in dB) were recorded during testing:
Frequency (Hz)
63
125
250
500
1k
2k
4k
Noise Reduction (dB)
12.1
13.8
16.7
25.8
36.1
36.9
35.4
The product is made up of a combination of materials. Perforated blades, aluminium, Colorbond or zincalume components with acoustic rated absorptive blade in all material. Maximum span of each module should not exceed 1500mm to 2400mm dependant on terrain conditions.
Weatherability
The louvre provides a high level of weather protection. There is a single water channel at the top of each blade. The 2 Stage system eliminates water ingression due to blade design, airflow and full chevron system. Water drains via the sill.
acoustic rapcivic good photo a.jpg
Acoustic Performance
The HC615 will provide a high level of noise reduction. Please see above insertion loss test results for performance.
Ventilation Performance
Free area ranges between 33% (2 blades) to 59% (15 blades) depending on height and width of the louvre.



acoustic rapcivic good photo with jv insert b.jpg
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