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.
Most cold patch asphalt repair aggregate will cover 12 x 12 x 1 hole per 10lbs. So if you're hole is about 12 diameter give or take and the depth of the hole is 4 plus 1 to 2 for overfill, you're looking at around 50 lbs to 60 lbs for that one hole. Driveway Pothole Repair Instructions. The first thing to check for is whether or not the pot hole goes past the bottom of the asphalt layer.