Don Grant Roofing

Signs of a Rotting Roof: Here’s What You Should Watch Out For

signs of a rotting roof - damaged shingle roof

As a homeowner, a rotting roof is a critical issue that can cause both aesthetic degradation and health hazards. To prevent the proliferation of damage, it is imperative to recognize the signs and take necessary steps to address the problem. In this article, we’ll delve into the most common signs of a rotting roof and what you should be aware of.

Common Signs of a Rotting Roof

Moss and Mold Growth

One of the earliest indications of a decaying roof is the growth of moss and mold. This growth occurs due to moisture buildup that results from a damaged or poorly ventilated roof. Not only do these growths compromise the appearance of your property, but they also perpetuate the damage to your roof by trapping moisture.

Damaged Tiles or Shingles

Another hallmark sign of a rotting roof is the presence of damaged tiles or shingles. These damages can result from a range of factors, including wind, hail, and exposure to the elements. If you notice missing, cracked, or otherwise damaged roof tiles or shingles, it’s crucial to address the issue promptly to prevent further deterioration.

Accumulated Debris In Gutters

Gutters are crucial in protecting your roof from water damage by directing water away from your home. However, when clogged with debris, gutters become a source of moisture buildup, leading to a rotting roof. To avoid this problem, regularly clean your gutters to prevent damage to your roof.

Loose or Damaged Step Flashing

Step flashing is a metal flashing used to prevent water from infiltrating the joint between your roof and walls. Over time, the flashing may become loose or damaged, leading to water damage and a rotting roof. If you detect any damage or looseness in your step flashing, it’s crucial to repair or replace it as soon as possible.

Mold on Exterior Walls

Mold on your exterior walls is often a sign of moisture buildup, indicating a rotting roof. To prevent the spread of mold and further damage, address the issue promptly by contacting a professional Chattanooga, TN roofing contractor.

If you suspect that your roof is rotting, don’t hesitate to contact a professional roofing contractor for a thorough evaluation and estimate for repair or replacement. By being proactive and seeking professional assistance, you can ensure that your roof is repaired or replaced effectively and in a timely manner.


What’s the difference between moss and mold growth on a roof?

Moss growth on a roof is a buildup of green plant material that holds moisture and perpetuates further damage to the roof. Mold, on the other hand, is a fungus that thrives in damp environments and can quickly spread on a roof, causing significant structural damage.

Can debris in gutters cause a rotting roof?

Yes, clogged gutters lead to water buildup, eventually causing a rotting roof. Regular cleaning of your gutters is important to prevent this problem.

How can I tell if my step flashing is damaged or loose?

Damaged or loose step flashing can be identified by visible cracks, gaps, or missing pieces. If you suspect that your step flashing may be damaged, it’s recommended to have a professional inspect it.

Can mold on exterior walls indicate a rotting roof?

Yes, mold on exterior walls is a sign of a leaking roof and, if left unaddressed, can lead to a rotting roof. It’s important to have a professional inspect the roof if mold is present on your exterior walls.

What should I do if I suspect that my roof is rotting?

If you suspect that your roof is rotting, it’s crucial to have a professional inspect it as soon as possible. A rotting roof can quickly become a safety hazard and should be repaired as soon as possible. 

Rotting Roof? Call Us Right Away!

Calling a professional roofer is essential when dealing with a rotting roof. Not only do they have the expertise and experience necessary to diagnose and repair the problem, but they also have access to the tools and materials required to complete the job effectively. By calling a professional, you can be confident that your roof will be repaired or replaced in a timely and efficient manner, preventing further damage and potential health hazards. 

Additionally, a professional roofer will be able to provide you with a thorough evaluation and estimate for the work that needs to be done, ensuring that you understand the full extent of the problem and can make informed decisions about how to proceed. With a professional roofer on your side, you can have peace of mind knowing that your roofing needs are being taken care of by an expert in the field.

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