Ultrahigh aluminum track system are used when the partition height or weight limit exceed that recommended for the normal aluminum system. Maximum height can reach to 12.5 meter with panel weight up to 900kg. Each carrier has four steel wheels with precision ground radial bearings. Carriers can be programmed for self-directing and sorting. Minimum dimension from the ceiling to the structure is 300mm.
https://www.egmovablewall.com/track-system-and-accessories/aluminum-profiles/movable-partition-aluminum-profiles.html