I have known John Sheldon for over 35 years, in this we have purchased 100,000’s of Natural slate from several different countries In recent years working with Northern slate John has been joined by Beth and Pete Northern Slate provide a competitive range of Roofing slate at a reasonable price we as a merchant have benefitted greatly from being able to provide our customers with a quality item Northern slate have a great supply chain from Spanish quarries which puts them ahead of the game and allows us to have slates as and when we need them.