7 Common Causes of Roof Leaks and How to Repair Them

May 2, 2022

Roof leaks can be a frustrating and costly problem for homeowners. They not only damage the roof but also affect the interior of the house, causing stains, mold, and mildew. There are several reasons why a roof might spring a leak. In this article, we will discuss the 7 common causes of roof leaks and how to repair them.

1. Damaged or Missing Shingles

High winds or hail can cause shingles to become damaged, dislodged or even missing. If you notice any missing or broken shingles, inspect your roof immediately. The exposed areas could cause water to enter your home. To repair roof shingle damage, replace any missing or broken shingles as soon as possible. You can buy replacement shingles from a hardware store and install them yourself, or call a professional roofer for assistance.

2. Leaky Flashing

Flashing is a metal or plastic material that is used to cover the roof’s edges and prevent leaks. It’s installed around the chimney, vent pipes and other roof protrusions. Over time, flashing can become worn or cracked, allowing water to seep through the openings. To repair roof flashing leaks, replace any damaged flashing with new material. You can use roofing cement or a sealant to secure it in place and prevent future leaks.

3. Improperly Sealed Valleys

Valleys are where two roof planes meet and create a V-shape. If the valleys are not properly sealed, water can get underneath the shingles and cause a leak. To fix a leaking roof due to improperly sealed Roof leak repair valleys, check for any gaps or holes and seal them with roofing cement or sealant. We advise that you work with a professional roofer for this type of repair to ensure that there is no damage to the roof.

4. Clogged Gutters

Clogged gutters can cause water to overflow and seep into the roof’s structure, leading to a leak. Make sure to clean the gutters at least twice a year to avoid this problem. During gutter cleaning, check for any damage or holes in the gutters as well, as they can cause water to seep directly into the roof. We advise that you take all necessary safety precautions when cleaning the gutters yourself.

5. Condensation in the Attic

Condensation in the attic can cause moisture buildup and form water droplets on the roof’s underside. This can lead to mold and mildew growth and, eventually, a leak. To fix a roof leak caused by attic condensation, you will need to increase ventilation and airflow in the attic. You can also install a dehumidifier to help control moisture levels.

6. Improperly Installed Skylights

Skylights add natural light to your home and enhance the aesthetic appeal, but if they are not installed properly, they can cause roof leaks. Ensure that the skylight is sealed securely to prevent leaks. Check for any gaps or cracks and seal them with roofing cement or sealant.

7. Natural Wear and Tear

A roof, just like any other component of a home, undergoes wear and tear, especially if it is old. This natural wear and tear can lead to leaking roofs. To repair a roof that is leaking due to natural wear and tear, replace the damaged or weakened roofing materials. A professional roofer can help ensure that your roof is repaired correctly.

In conclusion, roof leaks are a common problem that can cause significant damage to your home. If you notice any signs of a leaking roof, such as water spots or mold growth, it’s crucial to act fast to prevent further damage. The above-listed common causes of roof leaks and their repairs will help you identify and fix the problem. For larger repairs, consult with a professional roofer for the best and safest outcome.