The barrier-backed configuration offers the benefits of both sound absorption and noise barrier products in one outdoor application. A cost-saving non-reinforced 1-LB psf loaded vinyl barrier is bonded to a 2” thick exterior grade vinyl-coated-polyester faced quilted fiberglass absorber. These economic modular sound curtain are typically constructed with grommets across the top and bottom and exterior grade Velcro seals along the vertical edges. Sound curtains can be used in a variety of settings, including factories, warehouses, and concert halls. They are an especially effective way to reduce low-frequency noise, such as the rumble of machinery or the bass from a loudspeaker.
- STC rating 32
- NRC rating 0.85
- Available facing colors on the quilt: gray, tan or black
- Barrier Color: black
Applications:
Typically used as an economic Sound Curtain on temporary construction projects, offering a 3-5 year life span. The exterior grade VCP facing is specifically formulated for outdoor applications. Composite products offer maximum noise reduction by both blocking and absorbing noise at job sites. Also available with a two-pound psf barrier or a one-inch thick quilted fiberglass absorber.
Product Data:
Description 2” VCP faced quilted fiberglass bonded to a
1 LB/SF non-reinforced loaded vinyl barrier
Nominal thickness 2.00”
Temperature range -20° to +180° F
Standard panel width 54”
Weight 1.45 LB/SF
Acoustical Data:
Sound Transmission Loss:
OCTAVE BAND FREQUENCIES (Hz) | |||||||
Product | 125 | 250 | 500 | 1000 | 2000 | 4000 | STC |
BBC-EXT-N-2” | 13 | 20 | 29 | 40 | 50 | 55 | 32 |
ASTM E-90 & E 413
Sound Absorption Performance:
OCTAVE BAND FREQUENCIES (Hz) | |||||||
Product | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC |
BBC-EXT-N-2” | .07 | .27 | .96 | 1.13 | 1.08 | .99 | .85 |