Tracked Shutters Home / Tracked Shutter What are they? These shutters slide on a track (as opposed to being fitted on frames and hinges). This means that they concertina back. Best For : Work best with larger windows and sliding doors. Cons : They are not suitable for windows which have window sills Pros : Tracked shutters allow easy access through a patio door and they can be pulled right back to make the most of a view