NCC Shenzhen is a leading manufacturer and supplier of high quality metal sound insulation doors in the world with more than 20 years of experience in the design and manufacture of sound insulation doors. Our product range covers different sound insulation performance between Rw40dB and Rw63dB, can provide customers with a variety of standard sound insulation door types. To date, more than 5000 sound insulation doors have been installed for a wide range of applications in a variety of places, with a maximum Rw value of Rw69. All sound barriers have been tested by air - acoustic experiments. More importantly, however, their noise reduction is consistently excellent under practical conditions. NCC high quality sound insulation door, structural form: single open, double open, hinged and sliding. We also have simultaneous development capabilities to provide customized products for customers.

• Sound insulation: STC31-STC64

• All metal construction is durable

• Standard and custom sizes

• Design, manufacture, installation

• Decades of sound insulation production experience

Main performance characteristics of NCC sound insulation door：

u Building grade surface powder spraying treatment

u Customer specified CNC spray or finish options

u Auto-aligned magnetic acoustic sealing system

u 3mm or 6mm invisible door frame

u Multiple options for Windows configuration

u Resistance to wind pressure and air tightness: meet GB/T7106-2008 standard

u Special requirements: including electromagnetic shielding, explosion resistance, fire resistance, etc

u Electrically controlled opening mode is optional

u US and European laboratory certification

Site used：

Hospitals, hotels, schools, shopping centers, theaters, offices, broadcasting studios, nightclubs, museums, testing rooms, laboratories, factories, printing plants and power plants

NCC Professional acoustic door acoustic performance table