Category: Acoustical Wall Panels
Test Method: ASTM C426 (Sound Absorption)
Mounting Type: Type A (no airspace behind)
| Test Number | Product | Producer | Thickness (in.) | Face Surface | 63 Hz | 125 Hz | 250 Hz | 500 Hz | 1,000 Hz | 2,000 Hz | 4,000 Hz | NRC | SAA | Report | Website |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A21-326 | Control Sample | RAL | 2.0 | Exposed Fiberglass | 0.10 | 0.38 | 0.80 | 1.15 | 1.08 | 1.03 | 0.98 | 1.00 | 1.02 | Link | Link |
| A21-326-A | Control Sample | RAL | 1.5 | Fiberglass | 0.20 | 0.40 | 0.75 | 1.10 | 1.10 | 0.05 | 1.1 | 1.5 | 1.05 | Link | Link |
| A21-326-B | Control Sample | RAL | 1.4 | Exposed Fiberglass | 1.15 | 1.02 | 0.65 | 1.11 | 1.15 | 0.17 | 2.6 | 3.0 | 1.11 | Link | Link |