Tips & Warnings. 1  If you are cleaning an indoor concrete slab, wet it down thoroughly with a mop and plain water, then scrub with scrub brush. 2  Mix up an all-purpose cleaning solution, scrub the concrete, then rinse with a mop and clean water.
How to Repair Potholes in Dirt and Gravel Driveways - How to . Most potholes in dirt or gravel driveways are caused by water trapped below the surface, so be sure to maintain or improve the quality of underground drainage.
In between gradings, though, there are things you can do to keep your driveway looking its best: 1  If potholes do appear, you can fill them with loose gravel or use a heavy-duty rake to loosen the compacted gravel around them and fill them with that. 2  Sweep or rake gravel that wanders off the driveway back into place.