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.
Repair large driveway cracks and potholes by removing stones, dirt, grit, dust and crumbled concrete from the area to be patched. Brush the area with plain water to dampen it. Paint the area to be patched with the acrylic bonding agent. Work the bonder into the cracked area with the paintbrush.