Multi-floor no-go zones don't exist — set them per map.

You can’t define one virtual no-go zone that magically works on every floor of your home. Every robot vacuum or mapping system I’ve seen treats each level as its own separate map, and no-go zones are tied to individual maps.

Why this is the case: the robot doesn’t know if it’s on floor 1 vs floor 2 until it scans the room. The layout is different, the furniture is different, and the zone you want to block (e.g., a kid’s play area, a pet bowl) has a different location on each floor. Most robots from Roomba, Roborock, Ecovacs, and Dreame let you create a map per floor during a full cleaning run, then you draw no-go lines or boxes on that specific map.

The few robots that claim to “share” maps across floors are really just loading the last‑used map. They don’t apply a global zone. If you want to block, say, all stairs on every floor, you’ll need to place a physical barrier at the top of each staircase — virtual zones won’t work because stairs aren’t a flat surface the robot can map.

Bottom line: accept the per-floor workflow. It takes an extra five minutes to set up each map once, and then you’re done. Future you will thank present you for not chasing an impossible one‑zone‑fits‑all solution.