Environmental Noise Control, Inc’s E812 portable acoustic panel system offers portable sound mitigation that can be utilized in applications where erecting a traditional temporary sound wall is impractical or uneconomical.

ENC’s E812 Portable Acoustic Panel System provides all the sound mitigation benefits of ENC’s STC-25 Acoustic Blankets with the versatility & portability of a lightweight and stable free-standing steel frame. These panels are available for short- and long-term rental or purchase.

About the STC-25 Acoustic Blanket

  • Specs

  • Sound Transmission Class rated in accordance with ASTM E-413
  • Engineered to meet UBC/IBC Wind Load Requirements
  • Flame Retardant to California Fire Marshall f-419.01 Specifications
    • Length of Char: 3.5, After Flame: 2 seconds
  • Working Temperature: -40°F to +200°F
  • Oil Resistant, UV Resistant, Fiber-Free, Anti-Fungal, Self-Drying Poly-Vinyl Chloride Outer Shell with specifically developed inner core septum barrier

STC-25 Sound Transmission Loss (dB)

% Octave Band Center Frequency STC-25 Transmission Loss % Octave Band Center Frequency STC-25 Transmission Loss
63 Hz 8 dB 630 Hz 33 dB
80 Hz 10 dB 800 Hz 36 dB
100 Hz 11 dB 1000 Hz 39 dB
125 Hz 10 dB 1250 Hz 41 dB
160 Hz 7 dB 1600 Hz 41 dB
200 Hz 7 dB 2000 Hz 40 dB
250 Hz 11 dB 2500 Hz 41 dB
315 Hz 17 dB 3150 Hz 44 dB
400 Hz 23 dB 4000 Hz 46 dB
500 Hz 28 dB 5000 Hz 50 dB