[Zeke]

Originally Posted by javadog

Those are just asphalt shingles. Readily available, not old.

Like this:

https://www.iko.be/en/products/armourshield

Nevertheless, that roof is old. It's not uncommon for an older asphalt roof to last 60 years with maintenance.

But, in TX, IDK. That rook could be 20 years old but there was no roof edge installed which tells me it's been there awhile.