Sonex™ Pyramid Acoustical Foam offers an angles design with significantly greater surface area than flat surface therefore maximizing the effective area for acoustical control. When installed the pattern provides a continuous, seamless appearance. As a Class 1 Fire Rated foam that is 100% fiber free, Sonex™ Pyramid meets regulations for virtually any environment where maximum noise control is required. It is also available in a polyurethane version for areas with less stringent fire codes. The standard color is white or light grey.
| Octave Band Frequencies (Hz) |
|||||||
|---|---|---|---|---|---|---|---|
| 4" Thick |
.18 | .44 | .96 | 1.14 | 1.18 | 1.19 | .95 |
| Product | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC |
| 2" Thick |
.07 | .25 | .60 | .94 | .97 | 1.08 | .70 |
| 3" Thick | .09 | .37 | .81 | 1.01 | 1.03 | 1.07 | .80 |