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.
Sealing driveway cracks in concrete or asphalt. In the U.S., concrete and asphalt account for 90 percent of driveways â and both crack and discolor over time. Driveway cracks result primarily from age and weather, especially in unsealed driveways. When water from snow or rain seeps through the asphalt or concrete, it creates pools of water underneath it, which lead to cracking, especially when that moisture freezes and thaws repeatedly.