PGT Custom Windows and Doors sliding glass door features a slimmer interlock, set at 2.5 inches versus the standard five inches, allowing homeowners to maximize their view and natural light without compromising impact strength and performance. A dual-point locking mechanism provides added security by restricting panels from being lifted off the tracks and heavy-duty tandem rollers allow for easy fingertip operation. It is available in a variety of frame colors and panel configurations, with multiple glass tints and energy enhancing options. The door also offers expansions of up to 46.875-feet wide for uninterrupted views.