Slate, a metamorphic rock usually associated with roofs and floors, has a surprising amount of uses The rock itself has a fine grain, is usually gray in color, and is the result of sedimentary rock that is created because of low-grade metamorphism

A slate roof is one of the best investments you can make for your home Not only is a slate roof very attractive, but it is also almost 5 times more durable than an asphalt roof