My parents neighborhood is coming up on 25 years old and they are having to replace the layers under the roof tiles. The tiles themselves will probably last a thousand years but the under layer has a lifetime. They pull off the tiles, replace the waterproof layer and put the tiles back on — apparently takes just a couple days and they get better nails so the tiles don’t fall off during the windy monsoons.

Afaik shingle roofs (common in US) need replacing every 10-20 years.

Asphalt singles