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.
Winter salts also cause damage to a driveway, as they penetrate the surface of concrete and the steel reinforcement inside the material. Salts on the driveway also aids in water absorption, leading to cracks. Sealing concrete limits the amount of water that the surface absorbs.