Sandstone 1 Sandstone is an extremely versatile natural material and can provide a variety of products. Limestone 1 Limestone is very common in architecture. Cathedrals, churches and numerous public and private buildings. Slate 1 Slate is typically a very durable and hard wearing roofing material and rarely exhibits visible degradation. Granite 1 The high strength and low porosity lends itself as an extremely hard wearing landscaping material.