The cruel thing about a failing roof is that the cheapest moment to act is before it leaks — and that's exactly when it's easiest to ignore. By the time water is dripping onto your ceiling, the damage (and the bill) has already spread into the decking, insulation, and drywall. Here are the signs that mean "replace," not "wait."
Signs you can see from the ground
- Curling or cupping shingles — edges lifting or middles bowing.
- Cracked or missing shingles — especially after wind.
- Bald patches where the granules have worn off.
- Granules in the gutters — that "coarse sand" is your roof wearing out.
- A sagging roofline — a structural red flag; get it looked at fast.
- Moss, algae streaks, or dark patches — common in humid metros likeAtlanta.
Signs from inside the house
- Water stains on ceilings or upstairs walls.
- Daylight through the attic roof boards.
- A spongy, springy feel when walking the roof (a pro's check) — means wet decking.
- Rising energy bills from failing ventilation/insulation up top.
The age test
- Your roof is 20+ years old. Asphalt shingle typically lasts 15–25 years. If yours is past that, plan for replacement even if it looks okay — and note that some insurers won't renew older roofs (see the insurance guide).
Repair or replace?
One isolated leak on a young roof? Repair it. But multiple signs above, or a roof near the end of its life, means repairs are just throwing money at a problem that's coming back. The math usually favours one replacement over a string of patches.
Seeing a few of these? Get an instant, no-pressure estimate of what a replacement would cost for your home — before you call anyone. Check my roof price →
Caught it early? Here's what's next
Know the cost (cost guide), how you'll pay (financing options), and whether insurance applies if storm damage is involved (storm-damage guide).