... usage.2. Finishing of Nordland Basalt available as follows: 3. Tiles/Plates in standard size available: 305 x 305mm ( 12" x12 ... , others as required. Usually, for polished, honed or sandblasted finishing, Tiles are availabale in 10mm & 12mm thick. For other finishings, it ... should be thicker.4. Nordland Basalt can be used for tiles, flooring, stairs, windowsills, pavers, steps, kerbs, small slabs etc. ...