A greasy drive-thru lane needs cleaning planned around traffic, drainage, and runoff. A wash lifts the surface grease, but it cannot fix a drainage or grease-trap problem underneath.
Schedule around traffic
Drive-thru cleaning works best during closed hours or low-traffic windows so the lane can be blocked, treated, and rinsed safely without disrupting service or creating a slip hazard.
Match the method to the grease
A degreaser and controlled pressure washing lift the baked-on grease. The goal is a lane that is not slick and reads clean, not a deep resurfacing.
Drainage and runoff
Grease and degreaser runoff must be contained, not flushed into a storm drain. If the lane ponds or the grease trap is the real source, a wash will not fix that — those are separate repairs.
Five-minute self-check
- Walk the lane and note where grease builds up most.
- Check whether the lane drains or ponds after rain.
- Identify the low-traffic window for cleaning.
- Look for a grease-trap or drainage issue underneath.
- Note any health-code or landlord requirements and verify their wording.
Related reading
See our commercial pressure washing page and our post on dumpster pads.