https://www.quora.com/Is-it-true-that-you-should-replace-your-roof-like-every-15-years-or-so
Every roof covering has a manufacturer's life expectancy rating, anywhere from 10 to over 100 years, depending upon the roof covering type and ...

https://www.metrodetroitrpm.com/dearborn-reshingle-roof-661
Composition shingles last between 12 and 20 years, and asphalt shingles from 15 to 30 years. Wood shingles are mid-range in terms of longevity, ...

https://roofmaxx.com/learning-hub/how-often-should-i-replace-my-roof/
Roofs need to be replaced approximately every 20 years, so there's a good chance you will need to replace your roof yourself or have a professional do it at ...