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Roofing

Seven Signs Your Roof Needs Replacing (and Three That It Doesn't)

July 21, 2026 G&I B Construction 5 min read
(812) 259-0159
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Roofing crew tearing off old shingles down to the bare deck during a replacement

Not every stain on the ceiling means a new roof. Here is how to tell the difference between a repair, a maintenance item and a genuine end-of-life roof.

Roof replacement is a significant expense, and homeowners are right to be skeptical when a contractor arrives and immediately recommends one. Here is what actually indicates end of life, and what does not.

Seven signs it is genuinely time

1. Granules in the gutters. Asphalt shingles shed their protective granules as they age. A handful after a new install is normal. Cups of granules from an older roof means the mat underneath is being exposed to UV.

2. Curling or cupping shingle edges. Once shingles lose flexibility and start lifting at the corners, wind gets underneath them and the process accelerates.

3. Bald patches where the fiberglass mat shows through. That area has no weather protection left.

4. Multiple leaks in different areas. One leak is a repair. Leaks at three unrelated locations means the field of the roof is failing, not a single detail.

5. Sagging along the ridge or between rafters. This is a decking or structural problem and needs to be opened up promptly.

6. Daylight visible through the roof deck from inside the attic.

7. Age past 25 years on an original shingle roof, particularly if you are also seeing any of the above.

Three things that look worse than they are

Dark streaking. Those black streaks running down a north-facing slope are almost always algae. It is cosmetic. It does not shorten the life of the roof and it does not justify a replacement.

Moss at the very edge of a shaded slope. Worth removing, worth trimming back the branches causing the shade — but not on its own a reason to re-roof.

A single ceiling stain after an unusually heavy storm. Often this is a flashing detail, a backed-up valley or a gutter overflow rather than roof field failure. It is a repair.

What an honest inspection looks like

A contractor should get on the roof, look in the attic where it is accessible, and show you photographs of what they found. You should be able to see the problem yourself, in a picture, before anyone talks about price.

If the recommendation is replacement, ask what the decking looks like and whether it is included. If the recommendation is repair, ask roughly how long it should hold.

That is the conversation we have on every inspection. If your roof has years left, we will tell you so — we would rather do the replacement when you actually need it. Call (812) 259-0159 to book a free roof inspection.

Want us to take a look?

Free inspection, photographs of what we find, and an honest written estimate.

(812) 259-0159