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 with a painted option.