Signs You Need a New Roof: How to Tell When Replacement Is Necessary

Your roof is one of the most important parts of your home, yet it’s often easy to overlook—until a problem becomes impossible to ignore. Knowing when your roof needs to be replaced can save you from costly repairs, water damage, and unexpected emergencies.

Below are the most common signs that your roof may need replacement, along with guidance on when repairs are no longer enough.

1. Curling, Cracked, or Missing Shingles

Damaged shingles are one of the clearest signs your roof is failing. Look for:

• Shingles that are curling, buckling, or lifting

• Cracked or broken shingles

• Missing shingles, especially after storms

When shingle damage is widespread, repairs often become temporary fixes rather than long-term solutions.

2. Frequent or Recurring Roof Leaks

An occasional leak may be repairable, but repeated leaks usually point to a larger roofing issue.

Common warning signs include:

• Water stains on ceilings or walls

• Damp insulation or mold in the attic

• Leaks appearing in multiple areas

If leaks continue after repairs, it may indicate the roofing system has been compromised and needs replacement.

3. Sagging or Uneven Roof Areas

A sagging roof is a serious issue that should never be ignored. It can signal:

• Structural damage

• Trapped moisture

• Rotting roof decking

Sagging sections often mean the roof can no longer support itself properly and replacement is typically required to prevent further damage or safety risks.

4. Granules in Gutters or Around Your Home

If you notice a buildup of granules in your gutters, downspouts, or at the base of your home, it’s a sign your shingles are breaking down.

Granule loss reduces your roof’s ability to protect against sun exposure and weather, accelerating deterioration.

5. Daylight Coming Through the Attic

Seeing sunlight through the roof boards while in the attic is a clear sign of gaps or holes in the roofing system. These openings allow:

• Water intrusion

• Heat loss

• Pests to enter

In many cases, this type of damage requires a full roof replacement rather than spot repairs.

6. Mold, Moss, or Algae Growth

While algae stains may be cosmetic, moss or mold growth can trap moisture against the roof surface.

In humid environments, moisture buildup can spread beneath shingles and cause hidden damage that leads to premature roof failure.

7. Rising Energy Bills or Poor Indoor Comfort

A damaged roof can affect ventilation and insulation, making your HVAC system work harder. Warning signs include:

• Higher cooling or heating bills

• Uneven temperatures throughout the home

If your roof is no longer performing efficiently, replacement may improve energy performance and comfort.

8. Storm or Hurricane Damage

Strong winds, heavy rain, and flying debris can cause roof damage that isn’t always obvious from the ground. After severe weather, issues such as lifted shingles or weakened underlayment can leave your home vulnerable.

If storm damage is extensive, replacement is often the safest and most cost-effective solution.

Repair vs. Replacement: How to Know Which You Need

A repair may be enough if:

• Damage is isolated to a small area

• There are no ongoing issues

A replacement is usually recommended when:

• Damage is widespread

• Problems keep returning

• Repairs are becoming frequent and costly