Figures shown on pages 34 and 67 of the catalog are based on figures from “A Practical Guide to Noise and Vibration Control for HVAC Systems,” copyright 1991 by the American Society of Heating, Refrigeration and Air Conditioning Engineers. Used by permission.

            Figures used on pages 17, 27, 30, 37, 47, 50 and 55 of the catalog are based on figures from the “Handbook of Environmental Acoustics,” copyright 1994 by Van Nostrand Reinhold written by James P. Cowan. Adapted by permission of John Wiley & Sons, Inc.

       Special thanks go to the entire office staff at BRD for keeping our operation at full throttle while the editor was completing the new and improved Second Edition of the HUSHCORE™ Technical Product Manual.

       HUSHCORE™ and other HUSH Brand Names are registered trademarks of BRD Noise and Vibration Control, Inc. of Wind Gap, PA.