Hi All, Once again I find myself at wits end trying to rectify floor heights--and all the floors are level.     I've set default height, floor thicknesses, room heights, match properties for each floor, lock floor bottom or top, I've started from the top of the building and worked my way down, then the bottom of the building and up. I still end up with floor height anomalies--a slab floor bumped down, 12years, fighting floor height changes.    I would love to conference-