Dark Black Slate is a slate displaying a blend of black, blue, and grey tones; it comes in various finishes and dimensions. The variation is primarily in the ratio of charcoal to blacks; it can be rare to find pieces that are all black. Dark Black Slate is an exterior, commercial-grade slate that can easily withstand harsh weather all over the world. Black Slate honed has such a beautiful look that it appears as if charcoal and grey clouds are spread all over the surface of the stone that don’t really look like anything most people have seen before. Slate is known for its durability, resistance to water absorption, and ability to withstand varying weather conditions. Dark Black Slate, in particular, can create a striking and enduring surface; proper installation and maintenance guidelines will contribute to its longevity.