Fill in cracks and damaged areas on concrete flooring, foundations, or walls Fact checked by Richard Scherr Reviewed by Deane Biermeier Repairing cracked concrete isn't too difficult of a DIY ...

Most concrete crack fillers are designed to ... depending on the type of repair material you’re using. While epoxy crack filler hardens completely in about 4 hours, it can take up to 28 days ...