NCC is a leading manufacturer of noise cancelling louvers worldwide, with sturdy, durable, and high-performance products applied in multiple scenarios:
We provide acoustic louvre solutions to combat environmental noise problems in commercial and residential areas, offering relevant noise surveys and acoustic analysis.
Our acoustic louvred screens result in a high performance solution to unwanted levels of noise, without the need for additional architectural cladding.



Sound Transmission Loss (dB) Data:
| Model | Depth (mm) | 63Hz | 125Hz | 250Hz | 500Hz | 1kHz | 2kHz | 4kHz | 8kHz |
|---|---|---|---|---|---|---|---|---|---|
| Model N | 300 | 5 | 8 | 11 | 11 | 13 | 14 | 12 | 9 |
| Model 2N | 600 | 6 | 12 | 15 | 20 | 23 | 26 | 24 | 19 |
| Model NP | 300 | 4 | 6 | 7 | 8 | 11 | 9 | 8 | 6 |
| Model 2NP | 600 | 5 | 8 | 12 | 15 | 22 | 17 | 14 | 13 |
| Model | Depth (mm) | 63Hz | 125Hz | 250Hz | 500Hz | 1kHz | 2kHz | 4kHz | 8kHz |
|---|---|---|---|---|---|---|---|---|---|
| NL-100 | 100 | 5 | 4 | 5 | 6 | 9 | 12 | 14 | 13 |
| NL-150 | 150 | 6 | 6 | 8 | 10 | 13 | 17 | 15 | 14 |
| NL-300 | 300 | 6 | 7 | 10 | 11 | 18 | 17 | 14 | 13 |
| NL-600 | 600 | 8 | 8 | 12 | 23 | 30 | 32 | 28 | 29 |
All our packing utilizes Rubber clip boards, eliminating the need for fumigation. Secure and reliable for international transit.
NCC is a professional supplier of noise control services and acoustic products. We have developed solutions for aerospace, commercial buildings, medical facilities, industrial engineering, and more.
With over 70 years of experience in noise control and acoustic engineering, we provide one-stop services from concept to completion, including R&D, structural design, manufacturing, and installation.
Our louvers are primarily made of rugged all-steel galvanized construction, but stainless steel and aluminum options are also available to suit specific environmental needs.
Yes, the design includes a weather stop feature that specifically inhibits the entry of rain and snow while allowing air to flow freely.
We offer 300mm deep single-banked systems and 600mm deep double-banked systems to meet different noise reduction requirements.
Yes, the perforated splitter underside is designed for maximum sound absorption, effectively reducing noise levels from machinery and ventilation systems.
Our acoustic fill is inert, vermin-proof, weather-rated, and non-combustible, ensuring safety in industrial and commercial applications.
No, we use rubber clip boards for all our packaging, which does not require fumigation, simplifying international shipping processes.