Early stone coated metal tiles, known as decramastic tiles, were popular in New Zealand in the 1960s and 1970s.  These metal tiles were made using galvanised steel and stone chip embedded into a bituminous coating.   Thanks to innovations in the roofing industry, decramastic tiles have been superseded by today's pressed steel tiles.  And today’s tiles are a superior product with a long product life, high impact and corrosion resistance, and UV stable colours.