Over time, concrete can crack for a number of reasons including settlement, overloading, poor construction or the washing out of the ground under the concrete. Sakrete Top 'N Bond is designed to repair cracks in concrete. Other damage that can occur includes chipped corners, especially on concrete steps. Sakrete Fast Set Cement Patcher offers an easy way to repair and restore corners to like-new condition. Find out how with our video on Fast Set Cement Patcher.   Author: youtube