5 Signs You Need Roof Repair (And What to Do Next)
Roof problems rarely announce themselves. By the time water is coming through a ceiling, the actual failure happened somewhere above it weeks or months earlier.
The good news is that most roof damage shows up in ways you can see from the ground if you know what to look for. Here are the five signs worth acting on, what to do when a leak starts, and how to check your own roof safely.
A sagging or spongy roofline
A dip or wave in the roofline indicates the structure beneath is giving way, usually because water has been seeping into the decking for a while.
The subtler version is decking that feels spongy underfoot. That is not something you can check yourself, and it is the reason a real inspection involves someone actually walking the roof rather than looking at it from the driveway. Sagging is the one sign on this list that is rarely a simple repair. If the decking is compromised across any real area, you are usually looking at a replacement.
Granule loss and dark patches
Asphalt shingles are coated in granules. Those granules protect the asphalt beneath from UV, and once they wash off, the shingle starts to break down.
The dark patches you see on an aging roof are the exposed asphalt showing through where the granules are gone. That is why they matter. It is not that the patches let sunlight in, it is that they are the spot where the shingle has lost its protection.
Two places to check without climbing anything:
- Your gutters and downspouts. Granules look like coarse black sand. A handful after a new roof is normal shedding. A steady accumulation on an older roof is not.
- The ground below your downspouts. Same material, easier to spot on concrete.
Heavy granule loss across the entire roof usually indicates age or storm damage rather than a repair.
Moss growth
Moss and algae get lumped together, but they are different problems.
Algae shows up as black streaks, usually running down from the ridge. It is unattractive, and it can make a roof look far older than it is, but it is largely a cosmetic issue and does not damage shingles.
Moss is the one to take seriously. It is thick and spongy; it holds water against the shingle, and as it grows, it lifts shingle edges and lets water underneath. Moss on the north-facing slope or under tree cover is common in Middle Tennessee and should be addressed before it spreads.
Do not pressure wash either one. That strips granules, turning a cosmetic problem into a real one.
Missing, curling, or cracked shingles
Missing shingles are the most obvious sign and the easiest to underestimate. The exposed area is a direct path for water, and the shingles next to a gap are now unsealed and more likely to lift in the next wind event.
Curling edges and cracking across the field are a different story. Those are age, not damage, and they tend to appear everywhere at once rather than in one spot.
The distinction matters:
- A few missing shingles in one area is a repair
- Curling or cracking across multiple slopes is a roof at the end of its life
Additionally, adjacent shingles may become loosened or damaged due to the absence of the missing shingles, exacerbating the problem. Ignoring missing shingles can result in more extensive and costly repairs, including potential structural damage to your home.
Therefore, when you encounter missing shingles, it’s essential that you have your roof repaired in order to maintain the integrity and longevity of your roof.
Water stains and active leaks
A brown ring on a ceiling or a damp patch on an attic rafter means water has already been inside for a while. Stains spread slowly, so what you are seeing is rarely new.
Leaks are worth taking seriously beyond the ceiling drywall, because water travels. A roof leak can soak insulation and reduce its effectiveness, rot framing and decking, short-circuit wiring in the attic, and grow mold in spaces nobody looks at. The visible stain is usually the smallest part of the problem.
Check your attic with a flashlight after heavy rain. Look for damp insulation, dark streaks on the rafters, and daylight coming through anywhere it should not.
How to check your roof safely from the ground
You don’t need to climb a ladder to perform a useful check. Most of what matters is visible with a decent pair of binoculars and a walk around the house.
From the ground, look for:
- Missing, lifted, or crooked shingles
- Dark patches or uneven color across the field
- A roofline that dips, waves, or is not straight
- Damaged or rusted flashing around chimneys, vents, and in valleys
- Sagging gutters or granules collecting in them
- Anything growing on the roof
From inside the attic, look for:
- Daylight coming through the roof deck
- Damp or matted insulation
- Dark staining on rafters or decking
- A musty smell, which usually means moisture that has been there a while
What not to do: climbing onto the roof yourself. Falls from residential roofs cause serious injuries every year, and most homeowners are not equipped for it. The from-the-ground check tells you whether to call someone. That is all it needs to do.
When to call
Any of these is worth a call rather than a wait:
- Active leaking or a fresh water stain
- Missing shingles after a storm
- A visible dip in the roofline
- Granules building up steadily in the gutters
- A roof past 15 years that has never been inspected
Hail is the one to watch in Middle Tennessee. Storm damage often does not leak right away and is difficult to see from the ground, but it shortens the roof’s life from the day it occurs. If a real hailstorm has hit your area, get the roof inspected, even if nothing is showing inside.
Get a straight answer on your roof
L&L Contractors has been repairing roofs across Murfreesboro and Middle Tennessee since 2006. We are family-owned, BBB A+ rated, and rated 4.9 stars based on more than 350 Google reviews.
A roof inspection is free, and there is no obligation. You get photos of whatever we find, a clear explanation of whether it is a repair or something bigger, and a written estimate.
When it comes to roofing, our roofers nail it. Schedule a consultation today. For immediate assistance, call us at (615) 617-3189.