The roof is the pinnacle of a building. When it comes to the roof of your house, you want stability and longevity, but aesthetics are also important. Modern home builders and home remodelers have many choices of common roof materials, including asphalt, aluminum, copper, steel, concrete, clay, tile and wood. Slate has been a popular roof material choice for many decades but comes with its own set of challenges that must be considered. Whether you are installing a new slate roof or repairing an old slate roof, here are a few of the challenges associated with slate roofs.