Time for Roof Replacement? 9 Red Flags
Many homeowners put off a roof replacement until there's an emergency — a leak, a storm, or worse. But your roof usually gives you warning signs well before it fails. Here are nine indications that it's time to start planning a replacement.
Older than two decades
Most roofs are built to last about 20 years. If yours is approaching or past that age, it's worth budgeting for a replacement before it starts to fail.
Missing shingles
A shingle or two can be replaced individually, but matching the color and finish of older shingles gets harder over time as product lines change. Widespread missing shingles are a sign to consider a full replacement.
Cracked shingles
Wind damage often shows up as cracked shingles. Cracks isolated to one area can usually be repaired, but cracking spread across the roof usually points to a replacement.
Perforated roof visible from the attic
If you can see light coming through your attic roof deck, water and cold air can get in too. Small perforations can sometimes be sealed, but larger or more frequent light spots signal it's time for a replacement.
A sagging roof
A sagging roofline usually means the deck or support structure underneath has a problem. This is worth addressing quickly, since it tends to get worse — and more dangerous — over time.
Granules collecting in the gutters
Asphalt shingle granules protect the material underneath from sun damage. Finding a lot of granules in your gutters, especially on a roof over 10–15 years old, is a sign the shingles are wearing out.
Curling shingles
Shingle edges turning upward ("cupping") or the middle rising while edges stay flat ("clawing") are both signs of wear. A small amount can sometimes hold for a few more years, but widespread curling usually means replacement time.
Algae or moss growth
Algae or moss on your shingles affects both appearance and, over time, the roofing material itself. Avoid scraping it off yourself, since that can damage the granules — modern shingles are available with built-in algae resistance.
Faded or eroded finish
A roof that looks noticeably faded, blistered, or discolored from a distance has usually taken real weather damage. Repainting isn't a lasting fix for an aging roof surface.
Roofing work is worth leaving to an experienced, reputable contractor — it can save you from costly repairs down the line. If you're seeing several of these signs, it's a good time to get a professional opinion before a small problem becomes a bigger one.