Slate roofing is a traditional and durable roofing material that has been used for centuries. It is made from natural stone, making it a strong and long-lasting choice for roofing. Slate roofing is available in a variety of colors and textures, allowing homeowners to
From Wikipedia
Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade, regional metamorphism. It is the finest-grained foliated metamorphic rock. Foliation may not correspond to the original sedimentary layering, but instead is in planes perpendicular to the direction of metamorphic compression.