Repairing chipped or cracked stucco is an easy project, but you'll need to set aside a few days to complete it.
Step 1: Remove loose stucco Use a hammer and masonry chisel to break away the loose stucco. When the bigger pieces have been removed, work around the edges with a paint scraper. Try to leave hard, sharp edges of strong stucco in place as these will form mechanical bonds with the new stucco. Wire brush the area to leave a solid clean surface. Vacuum the area to remove all the loose stucco dust. Work around the edges with a paint scraper.