In May 2008 I had my 1963 vintage sidewalk, driveway, garage, and porch paving demolished and replaced with all new concrete, a total of 1,800 sq. ft. The contractor said it would be a good idea to seal the work using CCI Superseal 2000 after the pour had seasoned properly. I did as he recommended, and now nearly four years later the pavement looks nearly identical to when it was freshly finished. This is especially rewarding given the extremes of weather we experience here in Denver. The same contractor also replaced several other driveways in the neighborhood, and none of them were sealed. The difference between my driveway and the others is quite impressive, with mine showing no stains from tire marks, motor oil, bird droppings, and any other types of contamination, which are easily washed away using my garden hose spray nozzle.