Rooftiles with tons of options for wear and tear. You can download it here: https://share.allegorithmic.com/libraries/2536
Used the curve node to add several profiles, and updated the moss heightmaps to have better overlapping.
The curve node is too much tun to mess with :D
Up close and personal
Destroyed, dirty and mossy.
Work cracked tiles with blue enamel/glaze
New, but not that clean.