Profile: BRD Noise & Vibration Control, Inc., is a manufacturer of Hushcore™ acoustical products & systems for industrial, in-plant, commercial, architectural, environmental & OEM applications. We specialize in new design or retrofit projects. Our products include absorbers, barriers, composites, damping, enclosures, fan silencers and gasketing. We offer various services including site surveys, testing/analysis, problem definition, application design, installation and turnkey responsibility. Hush Crete™ CMU-D blocks utilize two slotted resonator chambers, and a phase grating pressure gradient absorption mechanism to provide 100% absorption at 100 Hz. It can act as load bearing structural unit. It is widely applied in mechanical equipment rooms, shop offices, boiler rooms, highway & outdoor environmental noise screens, industrial & manufacturing plants, airports & mass transit stations, and sewage treatment plants.