Innovative Materials Natural stone veneer: Reduces labour and the carbon footprint involved in large format stone applications. Each sheet weighs less than a kilo and has a large degree of flexibility! As well as an extensive range of granite we have sandstone and slate in large format panels. Granite veneer comes in 0.67m x 1.22m sheets Australian sandstone and slate in a maximimum size of 2.44m x 1.22m sheets.