by dave
(florida)
Q. My sidewalk is a whitish gray. A section was repaired and it is dark gray. Will this lighten up with time?
A. It will lighten up with time but will probably never match the original color of your concrete sidewalk. Most repair materials are like this.
We usually repair the bad areas, then completely overlay the entire area with a resurfacing material to hide the patched areas and give the concrete a more uniform looking finish.