Unfading gray/black
This is the most common and traditional roof slate color in most regions. Various shades are available. Such slates (S1) are quarried in Canada, Wales, Spain and Argentina notably, but also in the US and China.
This is the most common and traditional roof slate color in most regions. Various shades are available. Such slates (S1) are quarried in Canada, Wales, Spain and Argentina notably, but also in the US and China.