Quartz Kitchen Island Worktop Crack Repair This quartz kitchen island worktop surface suffered a large crack a few years ago. With the house now being sold the owners wanted to repair it. 1 Very large crack to quartz kitchen worktop 2 Almost stretches from corner to corner 3 Looks bad from all angles 4 Colour matched resin is prepared 5 Resin is applied to crack 6 After resin treatment, the crack is barely visible 7 Surface is polished 8 After polishing, the repair is barely visible see more repairs