Sonex® Pyramid Acoustic Foam offers an angled panel design with significantly greater surface area than flat surfaces 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 Acoustical Foam meets regulations for virtually any environment where maximum noise control is required.
Sound Absorption (Hz) ASTM C423-90a | |||||||
Thickness | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC |
Natural Grey and Natural White | |||||||
2″ | 0.07 | 0.25 | 0.60 | 0.94 | 0.97 | 1.08 | 0.70 |
3″ | 0.09 | 0.37 | 0.81 | 1.01 | 1.03 | 1.07 | 0.80 |
4″ | 0.18 | 0.44 | 0.96 | 1.14 | 1.18 | 1.19 | 0.95 |
HPC Coated Colors | |||||||
2″ | 0.13 | 0.41 | 1.02 | 1.18 | 1.13 | 1.13 | 0.95 |
3″ | 0.13 | 0.85 | 1.25 | 1.22 | 1.13 | 1.14 | 1.10 |
Nice product.
Used to help quiet a conference room, they arrived the day after I ordered and worked great!