Just about anything can end up spilled onto your concrete driveway, floor, sidewalks and patio. We have compiled cleaning techniques to deal with some of the most common types of concrete stains. Although this section was created with concrete in mind, many of the techniques may work on cementious stones, pavers and blocks. Because of the differences between concrete and brick some techniques may not suitable for use on brick. Always test a cleaning technique in an inconspicuous area to determine its suitability for your use.