Acoustics
Description (hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC |
2" fiberglass with fabric | 0.33 | 0.71 | 1.23 | 1.29 | 1.22 | 1.24 | 1.10 |
3" fiberglass with fabric | 0.58 | 1.16 | 1.16 | 1.25 | 1.18 | 1.12 | 1.20 |
4" fiberglass with fabric | 0.76 | 1.16 | 1.24 | 1.33 | 1.23 | 1.16 | 1.25 |
Tested per ASTM C-423 in a type A mounting for walls


