Roof Replacement · Knoxville, TN
We replace roofs down to the deck, then build them back as one system: underlayment, flashing, ventilation and shingles from a GAF Certified Plus™ contractor. Most homes are finished in one to two days.
Free roof inspections · 18 months same-as-cash financing, subject to credit approval.
- GAF Certified Plus™ Contractor
- 5.0 from 59 Google reviews
- Over a decade of experience
Roof Replacement Knoxville TN: How Long It Takes and When to Replace
Most roof replacement Knoxville TN jobs we do take one to two days, depending on size, pitch, weather and decking. It’s time to replace when wear or storm damage covers several slopes, or leaks keep coming back after repairs. Damage on just one slope is usually a repair.
- Free inspection, with photos of what we find
- GAF Certified Plus™ contractor
- 18 months same-as-cash financing, subject to credit approval
| What you see | Usually a repair | Usually a full roof replacement |
|---|---|---|
| Where the damage is | One slope, a few shingles, one pipe boot or flashing detail | Spread across several slopes |
| Leaks | One source, traced and sealed | Leaks that return after repairs, or ceiling stains that keep spreading |
| Shingle condition | Sound shingles with isolated damage | Granules in the gutters, bare spots, curling or cracking on more than one slope |
| Decking | Solid underfoot | Soft or sagging deck you can feel when you walk the roof |
| Storm damage | Limited to one area | Hail or wind damage across several slopes (hail in East Tennessee peaks in May, per NWS Morristown) |
Not sure which column you are in? A free roof inspection gives you photos of every slope as well as an honest answer. If a roof repair will do, we say so.
What Every Roof Replacement Includes
Every asphalt roof replacement includes these eight parts. In other words, nothing on this list is an upgrade.
- Tear-off and decking check. Every old layer comes off down to the deck. If boards are soft or rotted, they are replaced at the rate agreed in your contract.
- Underlayment. Synthetic underlayment over the whole deck, the water-resistant layer under the shingles.
- Ice and water shield. A self-adhering waterproof membrane in valleys, around chimneys, skylights and pipes, and along low-slope or leak-prone areas.
- Drip edge. Metal edge flashing along eaves and rakes that guides water into the gutters and protects the fascia.
- Starter strip and ridge cap. Starter shingles at the eaves and rakes so the first course seals against wind, with matching hip and ridge cap along the peaks.
- Flashing. New step and counter flashing at walls and chimneys, valley treatment and new pipe boots.
- Ventilation. Balanced intake at the soffit and exhaust at the ridge, so heat and moisture leave the attic.
- Cleanup and registration. Catch-All cleanup, a magnet sweep, a final walkthrough, then manufacturer warranty registration.
Why We Tear Off to the Deck
We tear off to the deck on every residential roof replacement. Here is what a full tear-off covers, line by line.
| Step | Full tear-off (our standard) |
|---|---|
| Old shingles | Every layer removed down to the deck |
| Decking | Every board is seen; soft or rotted boards are replaced at the per-sheet rate in your contract |
| Underlayment and ice and water shield | New across the whole deck, with membrane in valleys and around penetrations |
| Flashing and pipe boots | New step and counter flashing, valley treatment and pipe boots |
| Drip edge | Required by Knox County, installed along eaves and rakes |
In practice, the decking is the part nobody can judge until the old roof is off. That is why every contract states the per-sheet decking rate before we start, so a rotted board never turns into a surprise change order.
Shingle Choices and Your Insurance
| Option | What it is | Worth considering when |
|---|---|---|
| Architectural shingles | Dimensional asphalt shingles installed as a full system with underlayment, flashing and ventilation | You want a new roof matched to the house at a standard asphalt price point |
| Class 4 impact-rated shingles | Shingles built to resist hail better than standard shingles | Your insurer offers a premium discount for them; ask your agent first |
| Metal panels | Metal panel roofs, including shingle-to-metal conversions | You are weighing a change of material along with the replacement |
We price the options side by side on your written estimate, so you can compare them before you choose.
“They used appropriate methods and materials to protect our plants and other vulnerable parts of our home. The new roof was finished on time and the cleanup process was very thorough. You could hardly tell that anyone had been there, except that we had a beautiful new roof!”
Debbie W. · Google review
Debbie W. asked for a GAF Class 4 roof for premium savings. Still, discounts vary by insurer and policy.
Knoxville Weather, Permits and Your Roof
Knoxville averages 51.93 inches of precipitation a year and 66.6 nights at or below freezing (NOAA 1991-2020 normals, McGhee Tyson). Wet winters and frequent freeze-thaw nights are hard on worn shingles and loose flashing, so we treat flashing and ventilation as part of the roof, never as extras.
Knox County requires a permit for roof replacement and requires drip edge. Inside city limits, the City of Knoxville also requires a roof replacement permit, and buildings of 5,000 square feet or more, or over two stories, need a registered design professional. We confirm which office covers your address before work starts.
What Affects Roof Replacement Cost in Knoxville
- Size and pitch. Steep roofs take more safety setup and more time than low-pitch roofs.
- Decking. Boards replaced are billed at the per-sheet rate in your contract.
- Layers. Each extra layer of old shingles also adds tear-off and disposal.
- Shingle line. Architectural, designer and Class 4 impact-rated shingles are priced differently.
- Flashing details. Chimneys, skylights, dormers and walls add flashing work, so they raise the price.
- Ventilation. Similarly, adding ridge vent or soffit intake changes the scope.
Your written roofing estimate lists each of these, so there is no guessing. Ask about our payment plan: 18 months same-as-cash financing, subject to credit approval.
Our Roof Replacement Process, Step by Step
- Inspection. We walk the roof, check the attic where we can reach it, and photograph every problem we find before we price anything.
- Photo report. You see what we saw: the photos, what each one means, and what can wait.
- Written estimate. Materials, color, decking rate and scope in writing. Your project lead goes over every line with you.
- Property protection. Before a single shingle comes off, we shield HVAC units, shrubs and landscaping with the Catch-All system, breathable debris netting that catches shingles and nails before they land.
- Installation. Tear-off, decking, underlayment, flashing, ventilation and shingles, installed as one system.
- Cleanup and magnet sweep. During tear-off, debris goes from the netting to the dumpster. Then the yard, driveway and beds are swept for nails.
- Walkthrough. We walk the finished job with you and then send photos of the completed roof.
- Warranty registration. We also register the manufacturer warranty and give you the written terms.
One project lead stays with your job from estimate to walkthrough. Meanwhile, Office Director Samantha Sepulveda handles scheduling and paperwork.
Warranty
GAF says: “GAF Certified Plus™ contractors can offer GAF enhanced warranties including System Plus and Silver Pledge™ limited warranties.” Your contract states which manufacturer warranty applies to your roof, in writing. Our installation is backed by a 2- to 10-year workmanship warranty, depending on the roof system.
Recent Roof Replacements
What Homeowners Say
“They completed our full roof replacement in ONE DAY! Jonathan was super knowledgeable and helped us throughout the entire process!”
Alana S. · Google review
“We got a completely new roof. Had to have some wood replaced under our old one, our vents needed fixed. Everything that was needed to be fixed was talked about and completed exactly as he said it would.”
Nicole P. · Google review
“Great communication with us as they worked around the winter weather. They did a great job at a great price. Cleanup was excellent too.”
Chad M. · Google review
“The new roof was installed in a single day and looks beautiful!”
Daniel K. · Google review
Reviewed and Recommended On
Refer a Neighbor, Receive $200
Know a neighbor who needs a new roof? Refer them to Signature Renovations and receive $200 for each referred residential roof replacement, paid after their final invoice. See program details
However, it does not apply to insurance work or past projects. See terms.
Serving These Areas
Roof replacement across six counties: Knox County, Blount County, Anderson County, Loudon County, Sevier County, Jefferson County.
Town pages: Oak Ridge, Maryville, Lenoir City, Alcoa, Farragut, Powell, Sevierville, Clinton, Seymour, Strawberry Plains, Pigeon Forge, Loudon, Jefferson City, Maynardville, Rockwood. You can also see every town on our service areas page.
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Frequently Asked Questions
How long does a roof replacement take?
Most homes take one to two days. However, large, steep or heavily damaged roofs can take longer, and rain can move the start date. We confirm your schedule in writing before work begins.
Do you replace rotted decking?
Yes. We check the deck after tear-off and replace soft or rotted boards at the per-sheet rate written in your contract, so the price is known before we start.
Can you put new shingles over my old roof?
We don’t. Every replacement is a full tear-off to the deck. As a result, we can check the decking, install new underlayment and flashing, and stay within Knox County’s one-layer limit.
Do I need a permit to replace my roof in Knox County?
Yes. Knox County requires a roof replacement permit, and so does the City of Knoxville inside city limits. We confirm which office covers your address before work starts.
Do you offer financing?
Yes. We offer 18 months same-as-cash financing, subject to credit approval, so you can spread out the cost. Ask about it when we give you your written estimate.
Will you protect my landscaping and AC unit?
Yes. Before tear-off we set up the Catch-All system: breathable debris netting plus shields over your A/C unit, shrubs and beds that catch falling shingles and nails. Plants are never left under hot plastic, debris goes out with the dumpster, and we finish with a magnet sweep of the yard before we leave.
Ready for a Free Roof Inspection?
Book a free roof inspection. You get photos of every slope and a written estimate, with no pressure.
18 months same-as-cash financing, subject to credit approval.
Schedule a Free Inspection
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