Signs Your Roof Has a Leak

M&B Roofing • September 21, 2025

How to Tell If Your Roof Is Leaking

A leaky roof can cause extensive damage to your home if not identified and repaired promptly. Recognizing the early signs of a roof leak can save you money and prevent structural issues. While some homeowners may consider DIY repairs, it’s essential to consult professional roofing contractors to ensure safety and proper repair. This article highlights the key signs that indicate your roof might be leaking and helps you understand the importance of professional intervention.


Common Signs of a Roof Leak


Detecting a roof leak early can be challenging, primarily because leaks often manifest inside the home before visible damage appears on the roof. Here are some of the most common signs that you may have a leak:


1. Water Stains on Ceilings and Walls


One of the most apparent indicators of a roof leak is the appearance of water stains on your ceilings or walls. These stains often have irregular shapes, yellow or brown discoloration, and may become more prominent during or after rainfall.


2. Dripping Sounds


If you hear water dripping inside your home, especially in the attic or upper floors, it’s a strong sign of a leak. This sound indicates that water is penetrating the roofing material and making its way into your living space.


3. Sagging Ceilings


A ceiling that begins to sag or bulge can be caused by accumulated water from a roof leak. This structural change not only signals a leak but also poses safety risks, requiring immediate professional inspection.


4. Mold and Mildew Growth


Persistent moisture from leaks creates a conducive environment for mold and mildew. If you notice a musty odor or visible mold growth on walls or ceilings, a leak has likely been ongoing for some time.


5. Missing or Damaged Shingles


While this is more of an external sign, missing or broken shingles expose your roof to water penetration. Regular inspections by professionals can identify vulnerabilities before leaks develop.


6. Increased Energy Bills


An unusual rise in heating or cooling costs may indicate poor insulation caused by water damage. Moisture can degrade insulation quality, making your HVAC system work harder to maintain indoor temperatures.


7. Granules in Gutters


Excessive granules from asphalt shingles often wash away during rain and accumulate in gutters. Their presence can suggest shingle deterioration, potentially leading to leaks.


The Impact of Roof Leaks


Ignoring signs of a roof leak can lead to significant problems, including the following:

Why Professional Inspection is Essential


While these signs can indicate a leak, a professional roofing contractor is best equipped to confirm the diagnosis and perform repairs properly. They utilize specialized tools such as moisture meters and thermal imaging to identify leaks and assess the extent of damage accurately.



Professionals also ensure that repairs are durable and compliant with local building codes, preventing further issues down the line. Because roofing work involves working at heights and handling heavy materials, safety considerations make professional involvement indispensable.


Detecting the Early Signs of a Roof Leak is Crucial…


…in maintaining the integrity and safety of your home. Water stains, structural changes, mold growth, and external damage like missing shingles provide valuable clues. However, given the complexity and safety considerations, always rely on professional roofing services to handle inspections and repairs.


Preventive maintenance and routine inspections by roofing experts can prolong your roof’s lifespan and save you from constant repairs later. If you notice any of these signs, hire a qualified roofing professional promptly to assess your roof’s condition and ensure that any issues are addressed effectively.


Do You Need a Roof Inspection in Kankakee or Gilman, IL?


If you own property in Watseka, Kankakee, or Gilman, IL, and suspect your roof is leaking, contact us at M&B Roofing. We’ll send an inspector to locate the issue and provide affordable repairs, allowing you to return to your life in a leak-free home.

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