Soundown Vibration Damping Sheets and Tiles are a high performance, easily applied, extensional vibration dampers for reducing structural reverberant "ringing" and structureborne noise. This material is effective on a wide range of substrates, especially fiberglass, aluminum, and steel. Soundown Damping Sheets are available in 1/16", 1/8", 1/4" at 54" width, and in 1'x 1' tiles in 3/8" and 1/2". We also stock a complete line of interlayer damping materials for many applications.