A supermarket has the narrowest cleaning window of any commercial building. A warehouse can clean at night. An office can clean after six. A supermarket opens at seven and trades until ten, and the floor a customer sees at eleven in the morning is the same floor that has been walked on since opening. A supermarket floor cleaning robot solves one problem: the sales floor stays presentable during trading hours, without pulling staff off the tills to do it.
The problem is not dirt — it is that you can never clear the floor
Every other cleaning question in a supermarket comes back to the same constraint. You cannot close an aisle, you cannot move customers out of the way, and you cannot leave a wet floor where a trolley will cross it. Three consequences follow:
- Cleaning has to happen around people, not instead of them. Spills, trolley scuffs and entrance grime appear all day, and each one is a trip hazard the moment it is noticed.
- Any water left behind becomes a liability. A wet patch in a main walkway is both a slip risk and a blocked path for trolleys. Cleaning that leaves the floor walkable immediately is worth more here than cleaning that is merely thorough.
- Staff time is the most expensive way to do it. Every hour spent on the floor is an hour not spent on replenishment, checkouts or customer help — and the floor still only gets attention when someone is free.
The fix is not a bigger cleaning team. It is a machine that can be in the aisles at the same time as your customers, and that does not create a hazard while it is there.
Three robots that can clean with shoppers present
These three cover the requirement from different directions: one is small enough to work between shelves, one leaves no water behind at all, and one is built to route around people rather than ask them to move. All figures below are manufacturer specifications.
| Robot | Cleaning width | Rated efficiency | Runtime per charge | Docking | Why it suits a trading floor |
|---|---|---|---|---|---|
| SC50 | 500 mm scrubbing 700 mm squeegee | 1,800 m²/h | Approx. 3 h (24 V / 60 Ah) | Standard charging post optional WSC50 station | 800 × 700 mm footprint and a 900 mm minimum pass width, so it fits between fixed shelving and counters. Designed to run during opening hours, not only outside them. |
| Scrubber 50 | 460 mm — 780 mm with side brush | 1,987 m²/h theoretical 500–1,300 m²/h practical | 3 h scrubbing 8 h dust mopping | 30 L / 24 L tanks auto workstation optional | Washes and dries in a single pass, so the floor behind it is walkable immediately. That is the specific feature that makes wet cleaning possible while the store is open. |
| Guai Shou | Full-width brush deck (high-traffic configuration) | Sized for aisle coverage | Full-shift operation | Standard charging post | Built for high-traffic indoor venues such as malls and transport hubs, where the working assumption is that people will be in the way. It routes around shoppers rather than requiring an empty aisle. |
One note the table cannot show: the Scrubber 50’s 1,987 m²/h is a theoretical figure. The manufacturer’s own practical range is 500–1,300 m²/h once turning, foot traffic and obstacles are taken into account. In a supermarket, with trolleys crossing the route all day, the practical number is the only one worth planning against.
What a trading day actually looks like
This is the sequence most supermarket operators want to see before they believe it, because it is the part that differs from a warehouse:
- 06:00 — pre-open. The robot covers the full store footprint while the aisles are empty: main walkways, checkout lanes and the entrance matting. This is the deep pass, and it is the only one that gets an empty floor.
- 07:00 — open. The robot docks. Nothing else is needed from staff at this point.
- 09:00–12:00 — entrance and perishables loop. The highest-traffic zone of the store gets a second pass. The robot works the loop around produce, bakery and the entrance, keeping clear of customers rather than asking them to step aside.
- 12:00–18:00 — spot response. A spill or a tracked-in patch is dispatched from the app. Because the Scrubber 50 dries behind itself, the aisle is usable again as soon as the robot has passed — no cones, no waiting for the floor to dry.
- 21:00 — pre-close. A final pass behind the last shoppers, so the store starts the next morning from a clean floor rather than from yesterday’s traffic.
- 22:00 — report. Task status is recorded remotely, so there is a written record of which zones were covered and which were missed. Most manual cleaning rotas cannot produce that.
The point of the sequence is that only the first step needs an empty store. Everything after it happens with customers present.
How many units does a store need?
We model it rather than guess, and three numbers usually settle it:
- Sales floor area, split by zone — main walkways, aisle runs, entrance and checkout. These are covered at different frequencies.
- Narrowest aisle the robot must enter — this decides whether a compact unit is needed for the shelf-side runs, or whether a wider machine can be used throughout.
- How many passes per day the standard requires — one deep pass before opening, or a continuous loop all day. That single answer changes the count more than floor area does.
As a field estimate, plan on 40–60% of the rated efficiency in a live store, with the reduction larger during peak hours. A 5,000 m² sales floor that needs one deep pass plus a midday loop typically lands at one wide machine for the open areas plus one compact unit for the shelf-side runs — not one machine stretched across the whole building. Send us your three numbers and we will come back with a configuration.
Frequently asked questions
Will a cleaning robot get in the way of customers?
It is designed to work around them. The Guai Shou is specifically built for high-traffic venues where the assumption is that people will be present, and it routes around shoppers in real time rather than needing the aisle cleared. That said, most stores still run the deepest pass before opening, because that is when the floor is empty and the route is fastest.
Is the floor wet after it passes? Is that a slip risk?
On the Scrubber 50, no — it washes and dries in a single pass, so the floor behind the machine is walkable immediately. This is the single feature that makes wet cleaning practical during trading hours. If you want no water at all, the waterless machines in the range scrub, sweep and vacuum with no clean-water tank and leave no wet floor behind.
Can it work between the shelving?
It depends on the aisle width. The SC50 has an 800 × 700 mm footprint with a 900 mm minimum pass width, which is what allows it to work between fixed shelving and counters. Measure your narrowest shelf-side gap first — that number decides whether one machine covers the whole store or whether a compact unit is needed for those runs.
Do we need to install beacons or change the flooring?
No fixed infrastructure is needed. There is no tape, no floor markers and no beacons — the store is mapped once during commissioning and the route is recalculated automatically when shelving layouts change.
Request a store assessment
Send us your sales floor area, your narrowest aisle width and how many passes per day your standard requires. We will tell you which configuration fits and what coverage to expect with customers on the floor.
Contact us for a quote, or see the full cleaning robot range and the floor care solutions overview.