How Long Does a Roof Last in Metro Detroit?

An architectural asphalt roof in Metro Detroit typically lasts 10 to 25 years, standard 3-tab 10 to 15, and stone-coated metal such as Tilcor 50 to 70. Metro Detroit has the widest spread inside those ranges of any market we work in, and the reason is the housing rather than the weather.

The general mechanics — freeze-thaw, ice dams, ventilation — are covered in our guide to how long a roof lasts across Ohio and Michigan. This page covers what is specific to Metro Detroit.

What we see on Metro Detroit roofs

A ninety-year housing range in one metro

Metro Detroit puts 1910s mansions, 1920s brick bungalows, postwar tract housing and new-build subdivisions within a few miles of each other, and each ages differently.

The grand homes of Boston-Edison, Indian Village and Grosse Pointe have steep, complex rooflines with multiple dormers, valleys and chimneys. More flashing means more failure points, and preservation considerations limit what can be installed. These roofs reward doing the flashing properly and punish reused flashing faster than a simple roof does.

The brick bungalows across the east and west sides, and the postwar housing through Warren, Livonia, Dearborn and Royal Oak, are simpler — but they are frequently on their third roof, and that is where the real problem shows up.

Layering is the Metro Detroit problem

On postwar housing in particular, we open roofs and find two or three layers of shingles. A previous owner saved money by covering rather than tearing off. Layering traps heat against the deck, conceals rot, and shortens the life of whatever goes on top — so a roof that is nominally twelve years old may be sitting on decking that has not been seen since the 1970s.

If your roof has been covered rather than replaced, its effective age is not the age of the top layer. That single fact accounts for most of the cases where a Detroit roof fails well short of expectations.

Low-slope porch roofs

The full-width front porch common on Detroit bungalows usually carries a low-slope or near-flat roof tied into the main roof. These are the most common leak point we see in the city — shallow pitch, a transition detail, and the exact spot where ice dams form at the eave.

How old is your Metro Detroit roof, really?

• Count the layers at the eave. This matters more here than anywhere else we work, and it changes both the age and the cost.
• Check the porch roof and the valleys before the field. On this housing stock they fail first.
• Pull the permit record — Wayne, Oakland and Macomb municipalities generally keep searchable histories.

The wider set of age and condition checks is on the pillar guide.

What a replacement costs in Metro Detroit

Lifespan and cost are the same question asked twice, and layering makes that sharper here: tearing off three layers costs more in labor and disposal than tearing off one, and that cost is invisible until someone counts. It is a legitimate line on an estimate and a common source of change orders when it has been left off.

For the local picture, see how much a roof costs in Detroit, which covers why layer count dominates pricing here. The wider breakdown is in our guide to what a new roof costs in Ohio and Michigan, and the roof cost calculator will get you to a monthly figure.

Get a straight answer about your Detroit roof

We will walk the roof, count the layers, check the attic, and tell you plainly what you are looking at. Free, with no obligation.

Great Lakes Home Remodeling has served Michigan, Ohio and Indiana homeowners for more than twenty years, with a Michigan office in Troy. We are a GAF President's Club contractor and an Owens Corning Preferred Contractor, fully licensed, bonded and insured. See our Detroit roofing services for what we install locally.

Request your free Detroit roof inspection or call (800) 715-7663.

Frequently asked questions

How long does a roof last in Metro Detroit?

Architectural asphalt shingle roofs in Metro Detroit typically last 10 to 25 years, with GAF Timberline HDZ reaching 25 to 30 when the attic is properly ventilated. Stone-coated metal systems such as Tilcor last 50 to 70 years. Roofs that were layered over rather than torn off usually fall short of these ranges.

Why does my roof look newer than it performs?

Most often because it was layered rather than replaced. A second or third layer of shingles traps heat, hides decking damage and shortens the life of the new surface, so the effective age of the roof is the age of the oldest layer, not the newest.

Do historic districts like Boston-Edison limit what I can install?

They can affect material and appearance, so it is worth confirming before ordering rather than after. We handle preservation-conscious tear-offs, careful decking work and color matching on these properties, and we will walk through what the district allows during the estimate.