Roof Replacement
Complete Roof Replacement
When repairs no longer make sense, a full replacement resets the clock on your roof for 25–50 years. We tear off to the deck, address hidden damage, and install a manufacturer-certified shingle system built for Michigan and Ohio weather.
When it's time to replace, not repair
Most asphalt roofs in our region start failing between years 18 and 25. When you see multiple issues at once, patching becomes throwing money at a roof that's already at the end of its life.
- Curling, cracking, or missing shingles across multiple slopes
- Bald spots and heavy granule loss in your gutters
- Repeat leaks, ceiling stains, or attic moisture
- Sagging decking, soft spots, or visible daylight from the attic
- Roof is 20+ years old and insurance is asking for replacement
- Storm damage covering more than 25% of the roof
Our replacement process
Free on-site estimate
We inspect every slope, the attic, and the decking — then write a detailed, itemized proposal on the spot.
Material selection
Pick your shingle color and warranty tier. GAF, Owens Corning, or CertainTeed architectural shingles.
Tear-off & deck repair
Full tear-off to bare wood, replace any rotten decking, install synthetic underlayment and ice & water shield.
Install & cleanup
New shingles, flashing, ridge vent, pipe boots — then a full magnet sweep before we leave.
The result: a roof that lasts
You walk away with a watertight, properly ventilated roof system backed by both a manufacturer material warranty and our workmanship guarantee.
- 25-year to lifetime manufacturer shingle warranty
- Workmanship guarantee from a local company that answers the phone
- Proper attic ventilation to prevent ice dams and premature failure
- Higher curb appeal and home resale value
- Insurance-friendly documentation of the new install
Why Southeast Michigan Homes Need a Roof Replacement Sooner Than You Think
Roofs in Monroe County, Lenawee County, and northern Lucas County work harder than roofs in almost any other part of the country. Between lake-effect snow off Erie, spring hail rolling in off the Plains, summer heat spikes into the 90s, and freeze-thaw cycles that can flip fifty times in a single winter, the average architectural shingle roof here loses two to five years of expected life compared to a home in a milder climate. When we tell homeowners in Dundee, Milan, Monroe, and Toledo that their twenty-year-old roof is on borrowed time, it isn't a sales tactic — it's what the shingles are telling us.
A replacement isn't just about stopping leaks. It's about resetting your home's entire weather envelope. A new roof means new underlayment, new ice and water shield along the eaves and valleys, new flashings around every chimney and pipe boot, new pipe collars, and — in most cases — a completely rebalanced ventilation system that keeps your attic dry in winter and cool in summer. Skipping the ventilation upgrade is one of the most common reasons a five-year-old shingle roof still looks tired and warm to the touch.
We also see a lot of homes where a previous contractor laid new shingles directly over the old roof. In Michigan code, you can legally do that once, but it's almost always the wrong call. A full tear-off lets us see the decking. If there's rot around a chimney, a soft spot near a valley, or a nail-popped strip along the ridge, we catch it before the new roof goes on — not five years later when your ceiling starts staining.
What a Williams Roofing Replacement Actually Includes
Every replacement we quote is a full system, not a stack of shingles. That means a complete tear-off down to the wood deck, replacement of any rotted or delaminated OSB or plywood, synthetic underlayment across the entire roof, ice and water shield at the eaves and in every valley, and pipe boots, drip edge, and step flashing that are new — not reused. We install ridge vent where the roof geometry allows it and cut in new intake ventilation at the soffit if the attic needs it.
The shingles themselves come from GAF, Owens Corning, or CertainTeed — three manufacturers we are certified to install to their factory-warranty standards. That certification matters. Most shingle warranty claims are denied because of installation errors: shingles nailed too high, too few nails, wrong offset patterns, or missing starter courses. When we finish a roof, the paperwork we hand you registers the manufacturer warranty in your name and gives you a workmanship warranty from a local company that will still be answering the phone in ten years.
Cleanup is part of the job, not an afterthought. Our crews run magnetic sweepers across every square foot of driveway, walkway, and lawn where debris could have landed, dump the tear-off directly into a dedicated dumpster (never on your lawn), and haul it away the same week. Homeowners regularly tell us the cleanup was the part that most surprised them.
Choosing Shingles: Standard, Impact-Resistant, or Designer
For most homes in our service area, a standard architectural shingle like GAF Timberline HDZ or Owens Corning Duration is the right call. You get a 110+ mph wind rating, a 30-year to lifetime manufacturer warranty, dozens of color options, and a per-year value that beats almost every alternative on the market.
If you live in a hail-prone area or your insurance premiums keep climbing, we recommend looking at Class 4 impact-resistant shingles. Many carriers offer meaningful homeowner discounts for Class 4 roofs. And if you're planning to stay in the home long-term, the impact rating means far fewer callbacks after every major storm.
Designer shingles — GAF Grand Sequoia, Owens Corning Berkshire, CertainTeed Presidential — genuinely transform curb appeal. On a colonial, a Victorian, or a well-maintained century farmhouse, designer shingles can add real resale value and turn a boring roof into a defining feature of the home.
Financing, Insurance, and What to Expect on Estimate Day
We come out for free, in-person, on a schedule that works for you — evenings and Saturdays included. The estimate isn't a five-minute drive-by. We walk the roof, look at the attic if it's accessible, take drone photos of anything we can't reach from a ladder, and write an itemized proposal you can take to a competitor if you want to compare line by line.
If your roof is being replaced through an insurance claim after storm or hail damage, we handle every step of the paperwork. That includes meeting your adjuster on the roof, providing supplemental documentation when line items are missed, and coordinating scheduling around your carrier's approval.
For homeowners paying out of pocket, we can walk you through financing options on approved credit so a full replacement fits comfortably into a monthly plan.
Where we replace roofs
Williams Roofing is based in Dundee and services all of Monroe County plus southern Washtenaw, Lenawee, and northern Lucas County (Toledo, OH).
- Dundee, MI
- Monroe, MI
- Milan, MI
- Petersburg, MI
- Tecumseh, MI
- Britton, MI
- Ida, MI
- Maybee, MI
- Carleton, MI
- Saline, MI
- Azalia, MI
- Ottawa Lake, MI
Frequently Asked Questions
How long does a roof replacement take?
Most homes are torn off and re-roofed in 1–2 days. Larger or complex roofs can take 3 days. We schedule around the weather and never leave a home exposed overnight.
Do you handle insurance claims?
Yes. We document everything, meet your adjuster on-site, and work directly with your insurer. Most customers only pay their deductible.
What shingle brands do you install?
GAF Timberline, Owens Corning Duration, and CertainTeed Landmark are our standards. All are architectural shingles rated for 110+ mph winds.
Do I have to be home during the install?
No. We just ask that vehicles are moved from the driveway and fragile items are taken off walls near work areas.
Do you offer financing?
Yes — we partner with financing providers that offer 0% intro and long-term fixed-rate options on approved credit.
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