All Before and After Photos (590)Stem Wall Repair Before and After Photos (9)Seismic Retrofitting Before and After Photos (18)Foundation Repair Before and After Photos (248)Crawl Space Repair Before and After Photos (57)» Crack Stitching Before and After Photos (6)Concrete Repair Before and After Photos (68)Concrete Lifting & Leveling Before and After Photos (127)Commercial Foundations Before and After Photos (27) Crack Stitching Before & After Photos Click on a photo to enlarge. Residential Concrete Crack Repair in Encinitas, CA-Crack Stitch with Carbon Fiber Before After In this residential home in Encinitas, CA, we found several cracks in the slab foundation. We used Concret Crack Stitch to remedy the issue. Crack stitch uses carbon fiber and low viscosity polyurea to bridge the crack together.