A walk behind scrubber wets, brushes and vacuums a hard floor in one pass, which is why a shop or a workshop hires one for a deep clean rather than mopping it. Deck width sets the price and the pace: a 17 to 20 inch machine is the counter standard, and 24 to 28 inch machines exist for open floors where you can turn.
Deck width decides how long you are on the floor
A 17 inch deck gets between racking and under tables and is slow across open ground. A 26 inch deck halves the passes but will not turn in a narrow aisle, and it is heavier to lift over a threshold. Walk the floor first and size on the tightest place you have to clean, not the biggest.
Cord, battery or traction drive
A corded machine is lighter and cheaper to hire, and you spend the day managing a lead and finding sockets. Battery machines free you from that and want a full overnight charge, so book the hire to include the night before. Traction drive pulls itself along and is worth it on long runs or any ramp.
Pads and brushes are matched to the floor, not the machine
Red and white pads polish and clean lightly. Black and brown strip finish and will take the shine off sealed concrete. Cylindrical brushes suit grouted tile and textured concrete where a flat pad bridges the low spots. Say what the floor is when you book, because the wrong pad ruins either the floor or the day.
Filling, dumping and getting it in the door
Solution goes in clean and comes out as dirty water that has to reach a sanitary drain, so find the drain before you start. A loaded machine is heavy and most will not climb a step, so check thresholds, lifts and any ramp on the route. Yards will deliver where the machine cannot go in a car.
Questions people ask about walk behind floor scrubber rental
How much floor can one machine cover in a day?
On an open floor with few obstacles, a 20 inch walk behind scrubber realistically covers a few thousand square feet an hour once you count filling, dumping and turning. Crowded floors with racking and pallets run far slower. Plan a fill and dump cycle roughly every half hour on a small tank.
Will it clean a garage or a driveway?
Inside a garage on sealed or bare concrete, yes, and it will lift oil film with the right pad and a degreaser. Outdoors it is the wrong tool: grit tears pads, the recovery tank fills with debris, and rinse water running to a storm drain is a problem in most towns.
Do I hire the detergent too?
Detergent is sold, not hired, and most counters stock a general neutral cleaner. Bring the right chemical for a stripping job. Never mix products in the solution tank, and flush the tank before you return the machine or you may pay a cleaning charge.
Walk behind or ride on?
Under roughly twenty thousand square feet, or anywhere with tight aisles, the walk behind is cheaper to hire and easier to get into the building. Above that, a rider finishes the job in a shift and stops costing more than it saves.