Though changing, color that comes off has been a problem in the past. The same with curling. There is a catch to the installation of these types of materials. It has to be soft enough to nail through, but hard enough to withstand the traffic during installation. Batches too soft or hard might suffer.
Slate is the best choice for a classic mansion type look with a lot of character.
A thick cut rock face with short rows. Very good fire protection. Materials themselves, do not rot or have problems with insects. A very natural, blend with nature look. Low maintenance with most applications.