Back to Blog
Education6 min read

7 Warning Signs Your Nashville Home Needs a New Roof

D
Derek Hayes
Founder & CEO
·March 15, 2025

Is Your Roof Trying to Tell You Something?

Your roof is your home's first and most important line of defense. In Middle Tennessee, where we get everything from ice storms in February to tropical-style downpours in July, that defense needs to be airtight. The problem? Roofs fail gradually, and most homeowners don't notice the warning signs until there's water dripping through the ceiling.

Here are the seven most common warning signs we see on homes across Nashville, Brentwood, and Franklin — and what each one means for your timeline and budget.

1. Shingles Are Curling or Cupping

When shingle edges curl upward (cupping) or the middle of the shingle curls up while the edges stay flat (clawing), you're looking at a moisture problem, an age problem, or both. Curled shingles can't do their job — water slides right under them instead of running off the roof.

**What to do:** Get an inspection. Widespread curling usually means the roof has 3–5 years of life left.

2. Granules in Your Gutters

Asphalt shingles are coated in granules that protect against UV rays and add impact resistance. When shingles age, granules shed and collect in your gutters. You might also see bare patches on the shingles themselves or dark streaking on the roof surface.

**What to do:** Some granule loss is normal on newer roofs (manufacturing shedding). Significant loss on a 15+ year old roof is a red flag.

3. Daylight Through the Roof Boards

If you can see sunlight coming through your attic boards, wind-driven rain can get in just as easily. This is a serious sign that needs immediate attention.

**What to do:** Call for an emergency inspection. Don't wait.

4. Your Roof Is 20+ Years Old

Most asphalt shingle roofs are rated for 20–30 years, but Middle Tennessee's heat cycles and storm frequency often reduce that lifespan by 3–5 years. If your roof is approaching or past the 20-year mark, it needs to be on your radar.

**What to do:** Schedule an annual inspection. Proactive replacement on your terms costs less than emergency replacement after a failure.

5. Sagging Roof Deck

A sagging or drooping roof deck indicates structural problems — wet or rotted sheathing, or in serious cases, issues with the rafters or trusses. This is a safety issue that needs immediate professional attention.

**What to do:** Don't ignore this. Call us today.

6. Moss and Algae Growth

The black streaks you see on roofs are actually a type of algae called Gloeocapsa magma. Moss growth is even more aggressive — its root system can actually lift shingles and allow water intrusion. Both indicate trapped moisture, which is the enemy of roof longevity.

**What to do:** We can treat existing growth and install zinc or copper strips to prevent regrowth. At inspection, we'll advise whether treatment is sufficient or replacement is needed.

7. Flashing That's Cracked or Missing

Flashing — the metal strips around chimneys, skylights, and vents — is where most leaks originate. Over time, flashing sealant dries out, cracks, and allows water intrusion around these penetrations.

**What to do:** Flashing replacement is often a repair-level fix, but it requires a qualified professional. We include flashing assessment on every inspection.

What Now?

If you noticed one or more of these signs on your home, don't panic — but don't wait either. The difference between a $400 repair and a $15,000 replacement is often just a few months of ignoring warning signs.

Summit Shield offers a comprehensive 50-point inspection for $199, including drone photography and a written report you can use for insurance purposes. Call us at **(615) 892-7663** or schedule online. We'll give you an honest assessment — repair or replace — with photographic evidence.

Tags

Roof ReplacementHome MaintenanceNashville
D
Derek Hayes
Founder & CEO

A member of the Summit Shield Roofing team serving Middle Tennessee since 2009. GAF Master Elite certified contractor based in Nashville, TN.

Free Estimate

Get Your Free Roofing Estimate Today

No pressure. No obligation. Just an honest assessment of your roof from a GAF Master Elite certified contractor — delivered in writing, with photos, within 24 hours.

Free on-site inspection & written estimate
We respond to all inquiries within 2 business hours
Your info is never sold or shared
Call instead: (615) 892-7663
Estimators Available Today

Our team typically responds to quote requests in under 90 minutes during business hours, and we offer evening and Saturday appointments.

Request Free Estimate

Tell us about your project and we'll be in touch shortly.

By submitting you agree to our privacy policy. We never sell your info.