For aging roofs, a thorough contractor checks soft spots, nail pops, and failing caulk

https://www.scribd.com/document/1008205794/What-to-Expect-During-a-Roof-Repair-Appointment-182406

For aging roofs, a thorough contractor checks soft spots, nail pops, and failing caulk, then provides a phased plan for repairs or full roof replacement as needed.