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.
First, it is best to avoid those things that cause cracks and holes in your new driveway. Gasoline, oil, anti-freeze, power steering and transmission fluid spills and leaks will dilute the liquid asphalt component leaving a hole. If you cannot avoid these things and a hole develops, fill it with cold patch.