Acoustic Barrier Attenuation: acrylic_panel
Sound barrier insertion loss and noise reduction data for highway, industrial, and residential acoustic barriers — concrete, masonry, earth berm, metal, timber, acrylic, absorptive, jersey barrier, and composite types. Includes STC rating, octave-band transmission loss (125–4000 Hz), insertion loss at Fresnel numbers 5 and 10, NRC, lifespan, and installed cost per FHWA-HEP-10-025, ISO 9613-2, and Bies & Hansen Engineering Noise Control.
| barrier type | material | Fresnel number method | STC rating (dimensionless) | TL 1000Hz dB (dB) | TL 125Hz dB (dB) | TL 2000Hz dB (dB) | TL 250Hz dB (dB) | TL 4000Hz dB (dB) | TL 500Hz dB (dB) | barrier height ft (ft) | cost per sf installed (USD/sf) | expected lifespan years (years) | insertion loss dB at 10dB Fresnel (dB) | insertion loss dB at 5dB Fresnel (dB) | surface density lb per ft2 (lb/ft2) | weather resistance |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| acrylic_panel | Acrylic transparent panel (25mm; 3.3 lb/ft2) | yes | 35 | 36 | 22 | 37 | 28 | 36 | 33 | 8 | 55 | 25 | 9 | 5 | 3.3 | good |
| acrylic_panel | Acrylic transparent panel (50mm; 6.5 lb/ft2) | yes | 40 | 40 | 26 | 42 | 32 | 41 | 37 | 10 | 70 | 25 | 10 | 5 | 6.5 | good |
| acrylic_panel | Laminated glass-acrylic (38mm; 8 lb/ft2) | yes | 43 | 43 | 28 | 44 | 34 | 43 | 39 | 10 | 90 | 30 | 10 | 5 | 8 | excellent |
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