A metal channel includes at least one contact surface with a sound/vibration suppression material disposed on the contact surface. The contact surface attaches to a panel product such as drywall used in walls and ceilings. In one embodiment, the suppression layer is a lamination of glue, polymer, and scratch resistant layers. The contact surface may also attach or otherwise contact a contact surface of another metal channel and/or a complimentary metal channel that when fitted together comprise at least part of a building structure. The panel attached to any of the channels is, for example, a drywall product such as SUPRESS.TM. brand sound engineered products.