Spanish slate accounts for 90% of Europe’s natural slate used for roofing. it is cheaper option of slate,It will not last the 100 plus years like welsh- But it will give you 50plus years if installed correctly. Slate provides a classic look which modern roofing simply cannot match. It doesn’t warp, is mostly impervious to water, and though beauty is in the eyes of the beholder, most agree there are fewer ways to make a bigger statement.