Sliding Shutters - Sliding shutters are used to cover a doorway. The main attraction is the ease of use and less intrusion into the room than bi-fold shutters. Sliding bi-fold & sliding double shutters are also an option for the right application. There are 2 options available to open & close sliding shutter doors. Sliding with the blades in an open position or closed position. A pelmet is recommended to hide the tracking system from view.