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Pyramid foam is a long-lasting, high-performance solution to your sound-deadening needs.The four sides, rather than the two of the wedge, offer extra diffusion but slightly less absorption for different usage styles.
For basic soundproofing, 1 inch pyramid foam provides moderate sound control on walls or ceilings, especially ones not parallel to the floor. This product is best for when absolute sound deadening is not required, but moderate deadening is desired. 1 inch pyramid foam is most effective on mid-to-high frequency ranges.