I have seen many applications for concrete surface repair. They all begin with thorough preparation of the surface to be repaired. This surface preparation includes chipping or grinding any projections, removing all loose debris and power washing to remove all grease and oil. Once you have all the preparation work done, you can choose the product that is best for your repair situation. You have a
. multitude of choices for repair products that range from asphalt to epoxy based compounds. Here is a website that will give you ore information http://www.concretenetwork.com/concrete/concrete_resurfacing/step_by_step.htm.