Duplex modern barn door hardware consists of two wheels per carrier for extra support for use with oversized interior doors. This system is typically used with very large frameless glass doors, but is also appropriate for use with wood or metal doors 8mm (5/16”) through 49mm (1 15/16”) door thickness. Duplex modern barn door hardware is capable of carrying up to 419 Lbs. per panel. “Soft Stop Technology” may be integrated into the rail to provide a smooth, quite close (ask about weight limit restrictions.)
You may also be interested in the Duplex S system.
All Bartels modern barn door hardware is manufactured of solid stainless steel. Proud to be the original.