Your roof is one of the most important parts of your home—it protects you from the elements, keeps your family safe, and adds value to your property. But like anything else, roofs don’t last forever.
Whether you’ve had the same roof for decades or just weathered another brutal Texas storm, it’s important to know when your roof may be nearing the end of its life. In this post, we’ll share the top 7 roof replacement signs you shouldn’t ignore—and how a professional roof inspection can help you decide your next step.
✅ 1. Your Roof is 20+ Years Old
One of the most obvious signs of an aging roof is, well—its age! Asphalt shingle roofs typically last 20–25 years, while metal or tile roofs can last even longer with proper care.
If your roof is approaching or has exceeded its expected lifespan, it’s time to schedule a roof inspection to assess its condition. Even if there are no visible problems, wear and tear can make it more vulnerable to leaks and damage.
✅ 2. Missing, Curling, or Cracked Shingles
Shingles are your roof’s first line of defense. When they start to curl, crack, or fall off completely, your roof is left exposed to moisture, wind, and UV damage.
These are clear roof replacement signs that shouldn’t be ignored. A few missing shingles might call for a simple repair—but widespread damage usually means it’s time for a new roof.
✅ 3. You Notice Water Stains or Leaks
Have you seen dark spots on your ceilings or walls? Is water dripping into your attic during rainstorms?
These are red flags that your roof is leaking—and that the underlayment or decking may be compromised. If you’ve noticed signs of interior water damage, don’t wait. A professional roofer can assess the source of the leak and determine whether repair or replacement is necessary.
✅ 4. Granules in Your Gutters
As shingles age, they start to shed their protective granules. These small, sand-like particles often wash into your gutters or appear at the base of your downspouts.
Granule loss leaves shingles exposed to the sun and speeds up their breakdown. If you’re constantly cleaning out black or gray granules, it’s a clear sign your roof is deteriorating.
✅ 5. Sagging Rooflines
A sagging or uneven roofline is more than just an eyesore—it’s a structural warning sign. Sagging can indicate rot, trapped moisture, or weakened supports beneath the surface.
If you see any dips or bowing areas, especially in the middle of your roof or near valleys, contact a professional immediately. This issue typically requires a full roof replacement.
✅ 6. Moss, Algae, or Mold Growth
It might seem harmless, but moss and mold trap moisture against your shingles, causing them to decay faster. Over time, this moisture can seep into your roof structure and even cause leaks inside your home.
If you see large patches of green or black on your shingles, it could be one of the early roof replacement signs.
✅ 7. Frequent Repairs or Rising Energy Bills
Are you calling your roofer more than your dentist? Constant repairs could be a sign you’re putting a bandage on a bigger issue. An aging roof will break down more often, costing you more in the long run.
Also, if your energy bills are spiking, your roof’s insulation or ventilation system may be failing—another good reason to consider a full replacement.
🛠️ What to Do If You Spot These Signs
The best way to know for sure whether you need a new roof is to schedule a professional roof inspection. At Lehman Contracting, we offer free inspections that give you a full picture of your roof’s condition—so you can make an informed decision.
Our experts will check for all of the issues above, provide honest recommendations, and walk you through your options for repair or replacement.
📞 Time for a Roof Check? Let’s Talk.
If your roof is showing signs of age or damage, don’t wait until a leak turns into a major repair. Contact Lehman Contracting today for a free, no-obligation roof inspection. We proudly serve homeowners throughout San Antonio, Live Oak, Kerrville, and the surrounding Texas communities.
✅ Call us at 210-413-6735















