How to Tell When It’s Time to Replace Your Old Roof

How long has it been since you had a new roof? If you're wondering when it's time to replace your old roof, here's what you should know.

Congrats! Your roof has lived its full life. Although it has lived its lifespan, it might not be ready for a full roof replacement.

Roofs can last longer when they are well taken care of. How do you know when it’s time to replace an old roof?

Keep reading to find out.

Water Damage in the Attic

The main sign that you need to replace an old roof is water damage. If you spot moisture marks and peeling paint in your attic, or even the interior walls, it could indicate a damaged, leaky roof.

You are the first line of defense when it comes to learning about this roof leaks. However, you can schedule yearly roof maintenance to gain insight from professionals.

You can find roofing experts at

A basic inspection can catch a small leak before it becomes damaging enough to lead to a roof replacement.

If you notice a roof leak, call professional services right away.

Sagging Roof

When your roof has outlived its current lifespan, it will begin to sag. Sagging is a sign that moisture is trapped and has rotted away boards under the roof.

Before further damage occurs to your home, you’ll need to replace your roof.

Find sagging by checking the surface of your roof for:

  • Sagging spots
  • Trapped moisture
  • Rotting boards

These often occur in the lowest points on the roof.

The best way to find these problems is to stand back from your house and look at it from different angles. The roof should have straight lines so sagging and lumps should be easily noticeable from across the street.

Plant Growth

You might need to replace your roof if plant growth has taken over. Fungi, moss, mold, and algae are all signs of trapped moisture.

An old roof is more likely to succumb to this plant growth. In particular, moss can collect in shaded corners of the roof. Use a brush to remove these plants carefully to see if there are underlying issues.

If plant growth remains after brushing, a professional can safely remove it and begin a new roof installation.

Shingle Problems

A lot of homes have shingles and roofing contractors often see curling, buckling, and missing shingles. These signs mean that shingles aren’t attached properly and have sustained damage.

Although these problems won’t always mean you need a new roof, they can signal larger problems below the surface.

Strong weather changes place a lot of strain on roofs. You can replace a few missing shingles but it depends on the location of the shingle and the damage around it.

Is It Time to Replace Your Old Roof?

In most cases, you’ll know when it’s time to replace an old roof. Yet, there are circumstances that aren’t so obvious.

To ensure your roof lasts its entire lifespan, have it regularly inspected by a professional.

Use the signs in this guide to decide if your roof needs replacement. Keep coming back for more blog posts like this!

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