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.
Tweet. Cracks in the expansion joints in a concrete driveway can cause problems if theyâre not sealed properly. Cracks can allow water to seep under the concrete, creating a void that can cause the concrete to sink.ne Comment on âHow to Seal Expansion Joints in a Concrete Drivewayâ. You can follow comments to this article by subscribing to the RSS news feed with your favorite feed reader.