This profile feature allows for a specific width reveal to be created between panels and around panel edges. The advantage to this track being all one piece allows for precision in installation. Using 2 edge pieces side by side to create a reveal is more expensive and labor intensive. The ?" reveal insert color is black matte. It can be used for both acoustical control or to add to the aesthetics of a design. This site fabricated stretch fabric system is for used on both walls and ceilings and can be used in our multi-inch systems.