Acoustical Testing Services


The principal tests performed in our reverberation chambers involve sound absorption, sound transmission loss, impact sound transmission, sound power, sound pressure, and dB(A) measurements—all of which are monitored in a central control room. Whether NRC tests, E90 testing, STC tests, or other acoustical testing, we provide clients with printouts, including both data and graphical presentations, immediately following the completion of each test for a record of performance.

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ASTM C423 Control Sample in Type A mounting
ASTM C423 Control Sample in Type A mounting

Our NVLAP Accredited Acoustical Testing Services Include:

ASTM C423 Control Sample in Type E400 Mounting
ASTM C423 Control Sample in Type E400 Mounting
  • Sound Absorption (NRC, Sabin, Coefficient) ASTM C423 and E795, ISO 354
  • Sound Transmission Loss (STC) ASTM E90 and E413, SAE J1400, ASTM E1408, ISO 10140-3
  • Outdoor-Indoor Transmission Class (OITC) ASTM E1332
  • Impact Sound Transmission (IIC) ASTM E492 and E989
  • Field Sound Transmission Testing for Airborne ASTM E336 (“Field STC”) and Impact Noise ASTM E1007 (“Field IIC”)
  • Sound Power Level Measurement ANSI S12.51 / ISO 3741
  • Reference Sound Sources Calibration ANSI S12.5 / ISO 6926
  • Impedance Tube Testing per ASTM E1050 (Sound Absorption) and ASTM E2611 (Sound Transmission Loss)

Products Tested

  • Acoustical Doors
  • Window & Glazing Units
  • Open Office Systems
  • Flooring Underlayment
  • Resilient Ceiling Systems
  • Auditorium Seats
  • Roof Decks
  • Foam Products
  • Wall Panels
  • Sprayed-On Products
  • Ceiling Tiles
  • Suspended Baffles
  • Bass Traps
  • Acoustical Blocks
  • Draperies and Acoustic Curtains
  • Cavity Absorbers
  • MLV Barriers
  • Damping Compounds
  • Perforated Panels
  • Fiberglass & Mineral Fiber Insulation
  • Acoustical Lighting Fixtures
  • Concrete Highway Barriers
  • Resonators
  • Ship Bulkheads
  • Reference Sound Sources
  • Alarm Systems
  • Consumer Appliances
  • Hospital Equipment

Other Testing & Services

Riverbank staff can design and perform non-standard test procedures for unique specimens or unusual acoustical investigations. Facilities are available for rental by private individuals, manufacturers or acoustical consultants for research and development testing. The test chamber, instrumentation and staff are available on an hourly or daily basis.

We welcome your inquiries.

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1968 Coke Bottles Test