Autumn Mix Sandstone is a sedimentary rock usually consisting of quartz, silica, iron oxide and calcium carbonate. Sandstone pavers are very durable and weather resistant. Sandstone pavers can be used for pool surrounds, pool coping, patios, balconies, external flooring as well as cladding wall. Sandstone is available in a range of thickness with Natural, Honed finishes and ready to use bullnozed coping and step treads. Benefit of using sandstone as a paving material is the age and appearance over time.