Sonex™ Pyramid Polyurethane 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. 100% fiber free, Sonex™ Pyramid meets regulations for virtually any environment where maximum noise control is required. Standard colors are charcoal, beige or brown.
| Octave Band Frequencies (Hz) |
|||||||
|---|---|---|---|---|---|---|---|
| 4" Thick |
.84 | 1.17 | 1.19 | 1.06 | |||
| Product | 250 | 500 | 1000 | NRC | |||
| 2" Thick |
.32 | .78 | 1.00 | .78 | |||
| 3" Thick | .48 | .95 | 1.05 | .84 | |||