The barrier septum configuration offers the benefits of both sound absorption and noise barriers. A 2 lb psf loaded vinyl barrier is sandwiched between one 1” and one 2” layer of quilted fiberglass absorbers. Curtain panels are constructed with grommets across the top and hook and loop fasteners along the vertical edges. Rolls are available 4’ wide up to 25’ long and can be either bound or unbound.
- Class 1 or A per ASTM E 84
- STC rating 33
- NRC rating 0.85
- Available colors: gray, white, black, or tan
Applications:
Typical uses include curtain material in acoustical curtain enclosures. Also used as separator walls or divider partitions. Commonly used to line the perimeter walls of a building to significantly increase the transmission loss ability of the wall as well as to add sound absorption inside the room.
Product Data:
Description 2” vinyl faced quilted fiberglass/ 2 LB-psf non-reinforced loaded vinyl barrier/ 1” vinyl faced quilted fiberglass
Nominal thickness 3 ”
Temperature range -20° to +180° F
Standard width 48”
Roll length 25’
Density 2.75 LB psf
Acoustical Performance:
Sound Transmission Loss per ASTM E-90
OCTAVE BAND FREQUENCIES (Hz) | |||||||
PRODUCT | 125 | 250 | 500 | 1000 | 2000 | 4000 | STC |
ANC-AB23 | 19 | 22 | 28 | 40 | 56 | 61 | 39 |
Sound Absorption Coefficients Per ASTM C 423
OCTAVE BAND FREQUENCIES (Hz) | |||||||
PRODUCT | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC |
ANC-AB23 | .19 | .99 | .96 | .80 | .57 | .33 | .85 |