Technical Bulletin #6
- Acoustical Performance
| Facing Type |
WMP-F (PERF) |
VSF-HD |
R-3035 HD |
| Insulation R-Value |
R-10 |
R-19 |
R-10 |
R-19 |
R-10 |
R-19 |
| Insulation Thickness
(approx). |
3" |
6" |
3" |
6" |
3" |
6" |
 |
63 Hz |
-0.05 |
0.21 |
0.15 |
0.16 |
-0.04 |
0.17 |
| 80 Hz |
0.09 |
0.49 |
0.29 |
0.60 |
0.25 |
0.50 |
| 100 Hz |
0.37 |
0.97 |
0.32 |
1.03 |
0.34 |
0.98 |
| 125 Hz |
0.48 |
1.08 |
0.49 |
1.03 |
0.42 |
1.06 |
| 160 Hz |
0.71 |
1.26 |
0.74 |
1.28 |
0.64 |
1.28 |
| 200 Hz |
0.91 |
1.16 |
0.95 |
1.22 |
0.86 |
1.17 |
| 250 Hz |
1.11 |
1.19 |
1.18 |
1.21 |
1.07 |
1.17 |
| 315 Hz |
1.15 |
1.08 |
1.17 |
1.04 |
1.16 |
1.04 |
| 400 Hz |
1.16 |
1.02 |
1.16 |
0.93 |
1.15 |
0.97 |
| 500 Hz |
1.12 |
0.94 |
0.98 |
0.82 |
1.06 |
0.89 |
| 630 Hz |
1.06 |
0.92 |
0.86 |
0.76 |
0.96 |
0.85 |
| 800 Hz |
0.91 |
0.87 |
0.71 |
0.70 |
0.80 |
0.79 |
| 1000 Hz |
0.76 |
0.82 |
0.54 |
0.61 |
0.63 |
0.72 |
| 1250 Hz |
0.69 |
0.76 |
0.47 |
0.52 |
0.54 |
0.63 |
| 1600 Hz |
0.61 |
0.67 |
0.41 |
0.42 |
0.46 |
0.51 |
| 2000 Hz |
0.56 |
0.57 |
0.36 |
0.35 |
0.42 |
0.43 |
| 2500 Hz |
0.50 |
0.49 |
0.30 |
0.29 |
0.35 |
0.35 |
| 3150 Hz |
0.41 |
0.42 |
0.25 |
0.24 |
0.28 |
0.30 |
| 4000 Hz |
0.35 |
0.36 |
0.21 |
0.20 |
0.23 |
0.24 |
| 5000 Hz |
0.29 |
0.30 |
0.17 |
0.16 |
0.18 |
0.19 |
| NRC* |
|
0.90 |
0.90 |
0.75 |
0.75 |
0.80 |
0.80 |
* NRC Calculated at
250, 500, 1000, and 2000 Hz
(PERF) =
Perforated
 |
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