add a full height backsplash behind the open shelves above the sink extending the existing countertop stone material continuous slab exact match from the countertop to the underside of the upper cabinetry ceiling line in that area only do not change anything about the existing full height splash by the sink area or any other backsplash conditions elsewhere in the kitchen keep all cabinetry shelving hood and all remaining finishes exactly as is no material changes no tile introduction and no alterations outside of the specified open shelf sink zone
