Vermont Unfading Gray
Unfading Gray – a medium-texture slate, usually with black markings. This light gray slate will not show buff and brown weathering.
Comparable Roofing Slates:
The color resembles historic Virginia Buckingham and Pennsylvania Black slates produced over the last century with a more uniform texture, slight variations of color and less sheen. Also similar to Vermont Blacks yet the Black Diamond is a true unfading slate.