Granite sinks offer quality and durability for many years. Supported by their seven-year warranty, Schock are moving the industry forward with their innovative unique tools that they make in-house in order to ensure they are utilizing the best in expertise. Sourcing natural silica sands from Bavaria's soils and making their sinks from up to 80% quartz, Schock is continually refining their materials and setting new standards. The material's ultra-fine structure is dirt repellent and non-porous to give bacteria no room to thrive.