Most roofs don't fail all at once. They wear out slowly, and the early signs are easy to miss from the driveway. Here are seven things worth watching for, plus what to do if you notice them.
1. The roof is getting old
Many asphalt shingle roofs are designed to last roughly 20 to 30 years, but actual life depends on the product, installation, ventilation, and weather. If you don't know how old your roof is, check your home purchase paperwork or ask the previous owner. Age alone isn't a reason to replace a roof, but it's a reason to get it looked at.
2. Curling, cupping, or cracked shingles
Shingles that curl at the edges, cup in the middle, or crack across the tab have usually lost flexibility. Idaho's hot summers and cold winters put a lot of stress on shingles, and this kind of wear tends to show up first on the sunniest side of the roof.
3. Missing shingles
A few missing shingles after a wind storm can often be repaired. Shingles that keep coming loose in different spots can point to aging sealant strips or installation issues across the whole roof.
4. Granules in the gutters
Shingles shed some granules over time, especially when new. Heavy buildup in gutters or bare, smooth patches on the shingles can mean the protective surface is wearing away. Granule loss can also have other causes, including hail, so it's a clue, not a diagnosis.
5. Leaks or water stains inside
Stains on ceilings, peeling paint near the roofline, or damp spots in the attic all deserve a quick look. A single leak is often a flashing or penetration issue that can be repaired. Several leaks in different areas point to a bigger problem.
6. Sagging roof lines
If the ridge or roof plane looks wavy or dips, have it checked soon. Sagging can mean moisture damage to the decking or a structural issue below it. This one shouldn't wait.
7. Daylight or dampness in the attic
If it's safe to get into your attic, look up during the day. Light coming through the boards, dark stains on the decking, or a musty smell are all worth mentioning to a roofer.
What to do next
- Take photos from the ground. Don't walk on the roof.
- Note when you first saw the issue and whether it's getting worse.
- Get a roof inspection before deciding between repair and replacement.
- Ask for a written estimate that explains what was found and why the work is recommended.
Plenty of roofs with one or two of these signs just need a repair. The goal of an inspection is to find out which situation you're in.
Not sure what your roof needs?
Request a roof inspection and a written estimate from One Truss.
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