For the Geology slate panels, authentic honed slate is cut into ‘veneer’-thin layers and then reinforced by a flexible fibreglass resin backing. Because Geology is made from natural stone that is excavated from a slate quarry, variations in the colours and structure of the surfaces of the panels occur. The panels are flexible; the slate will actually bend enough to cover concave or convex radius surfaces. The manufacturer recommends Geology for interior use on walls, ceilings, columns and horizontal surfaces other than countertops and flooring. It is not suitable for use in areas where it will be in constant direct contact with water. Geology can be installed for outdoor surfaces, as the natural stone panels can be exposed to the elements. Use of a high quality sealant is recommended. The slate panels are available in two sizes: 30 cm x 60cm and 60cm x 120cm.