It's one of the first things people ask when they buy a house or notice a stain on the ceiling: how long is this roof going to last? You'll find plenty of numbers online. The real answer is that two roofs put on the same year, with the same shingles, can age very differently. It comes down to two things.
How it was installed
A roof is only as good as the work that went into it. Shingles nailed in the right spot, flashing done properly at the chimney and walls, a solid deck underneath, and attic ventilation set up so heat and moisture can escape. Get those right and the roof has every chance to live a long life. Get them wrong and problems show up early: shingles that lift and curl, leaks at the flashing, a roof that looks tired years before it should.
Ventilation deserves its own mention. A hot, stuffy attic bakes shingles from underneath and wears them out faster. It's one of the most common reasons a roof ages ahead of schedule, and you can't see it from the street.
How it's cared for
Roofs don't need much, but they need some attention. Keep the gutters clean so water drains off the edge instead of backing up. Trim branches that rub against the shingles or drop debris. Fix small problems, like a few missing shingles after a windstorm, before they let water in. Get the roof looked at after big hail or wind. Little things done on time add years.
Watch for the signs it's getting old
Curling shingles. Edges that lift or cup instead of lying flat mean the shingles are drying out.
Bald spots. Shingles are covered in granules that protect them from the sun. When patches of them wash away, the shingle underneath starts breaking down. Granules piling up in your gutters are a clue.
Leaks. One leak may be a repair. Leaks in more than one place usually mean the roof is wearing out across the board.
If you're seeing these, it's time for an honest look at whether a repair still makes sense or the roof is ready to be replaced.
What we put behind a new roof
Every roof we install comes with our limited lifetime workmanship warranty, in writing, plus the manufacturer's warranty on the materials. We're family-run, we've been doing this since 1947, and our own crews put every roof on. If you'd like to know where your roof stands today, our inspection is free, and we'll tell you straight.
What John says in the video
Transcript: How long will your roof last? It depends on how it was installed and how it's cared for. Watch for curling shingles, bald spots, and leaks. That means it's getting old. And every roof I install comes with a lifetime warranty. Call me, 1-800-JOHN-BEAL.
Frequently asked questions
What affects how long a roof lasts?
How well it was installed, the attic ventilation underneath it, the weather it faces, and how it is cared for, like keeping gutters clean and fixing small problems quickly.
What are the signs my roof is getting old?
Curling or cupped shingles, bald spots where the granules have washed off, granules in the gutters, and leaks, especially in more than one place.
Can a roof wear out early?
Yes. Poor installation or a hot, poorly ventilated attic can age shingles before their time.
What warranty comes with a John Beal roof?
Every roof we replace comes with our limited lifetime workmanship warranty, in writing, along with the manufacturer's warranty on the materials.
How can I find out how much life my roof has left?
Get it inspected. Ours is free, and we will tell you straight where your roof stands. Call 1-800-JOHN-BEAL.
More answers from John Beal
- How Do You Know If Hail Damaged Your Roof?
- Should I Repair Or Replace My Roof?
- How Much Does A New Roof Cost?
- All of John’s video answers
John Beal Roofing is family-run and has been roofing Midwest homes since 1947, serving Greater St. Louis, Kansas City, Columbia, Springfield, Lake of the Ozarks, and the Metro East and Carbondale in Illinois. Our Kansas City office is at 7440 NW River Park Drive, Parkville, MO 64152 (816-572-9500 Missouri side, 913-281-6000 Kansas side). Everywhere else, call 1-800-JOHN-BEAL. We answer 24/7.