ENA Silence™ Drapes Curtain
ENA Silence™ Drapes Curtain
ENA Silence™ Acoustic & Thermal Drapes
Professional Grade Sound Insulation • U.S. Patented Technology • SGS Certified
📍 Hong Kong International Airport (HKIAA) - Integrated Airport Staff Complex
Flagship Installation: Hong Kong International Airport
Project: Integrated Airport Staff Complex (2025)
Client: Airport Authority Hong Kong
Meeting the strictest material and safety requirements, ENA Silence™ is the designated acoustic solution for critical infrastructure, hotels, and government departments.
Project Portfolio
Electrical and Mechanical Services Dept. Headquarters
Project: Fourth Floor Meeting Room Soundproofing Works
Year: 2025
Hong Kong Examinations and Assessment Authority
Project: Hung Hom Assessment Centre Renovation Works
Year: 2025
Lingnan University, Hong Kong
Project: Classroom LKK 101 - 102 Soundproofing Fabric Works
Year: 2025
Hong Kong Family Welfare Society
Project: Acoustic Curtains for Meeting Room
Year: 2024
Acoustic Performance
The ENA Silence™ drapes are engineered specifically for functional sound insulation, currently the only standard in the market achieving a stable noise reduction rating of 17 to 36 decibels (across 100-4k Hz frequencies).
- U.S. Patent Registered: Protected under USPTO (Publication CN/203328491/1).
- Standard Compliance: Tested in accordance with the American ASTM E90 standard.
- SGS Certified: Passed rigorous SGS laboratory testing in Hong Kong.
- Maximum Effectiveness: Achieves up to 36.3 decibels of noise isolation when installed with a 2x fold ratio.
Acoustic Simulation & Real-world Testing
Live measurement testing against simulated racing, street traffic, and construction noise.
Blackout & Thermal
The ENA sandwich design structure provides a 100% physical shading rate without the need for any chemical surface coatings. It effectively blocks UV rays and provides thermal insulation to regulate indoor temperature, achieving 0% Formaldehyde (Methane) emission.
Optical Verification Test
Material Specifications
Constructed with high-density velvet on both the surface and bottom layers. This heavy-duty fabric provides superior sound absorption while creating a premium interior aesthetic.
| Fabric Weight | 760g / square meter |
|---|---|
| Fire Retardancy (Optional) | Fire-retardant treatment available upon request. Complies with BS 5867 Part II. Issuance of FSD FS251 Certificate for public licensing. |
Sizing Guide
For optimal acoustic absorption and visual drape, a 1.5x fold ratio is highly recommended. The curtain height is fully customizable, with a recommendation to add 1cm to reach the floor for maximum noise seal.
| Track Length (Meters) | Required Fabric Width (Meters) |
|---|---|
| Within 1.0 meter | 1.45 |
| 1.0 - 2.0 meters | 2.90 |
| 2.0 - 2.6 meters | 4.35 |
| 2.6 - 4.0 meters | 6.00 |
- Fabric width is manufactured in fixed multiples of 1.45 meters.
- Accessories Included: 4-prong hooks (8 pcs per meter) and storage rope (1 pc).
- Optional Add-ons: Specialized tracks and accessories are available at $180 per meter.
Documents & Terms
Maintenance Instructions
It is recommended to use a soft brush or vacuum cleaner to remove surface dust. For stains, gently wipe with a damp cloth. The use of cleaners containing bleach is strictly prohibited to preserve the acoustic and thermal properties.
Terms of Purchase
- A manufacturing tolerance of 1~3 mm applies to all customized dimensions.
- Pricing does not include on-site installation.
- As customized building materials, products are strictly non-returnable and non-exchangeable once purchased.
- If clients opt for self-installation or third-party contractors, the client assumes full responsibility for the project quality and associated risks.
Showroom & Documents
Physical testing and material inspection are available at our commercial showroom located at Bank of East Asia Building, 9/F, Mong Kok.
