7 Common Causes of Roof Leaks and How You Can Fix Them

7 Common Causes of Roof Leaks and How You Can Fix Them

January 12, 2023

Your house is a valuable investment because it provides a place to live while being a long-term asset that can appreciate. For this reason, it is a homeowner's responsibility to ensure their home's condition is maintained. Naturally, this applies to every part of the home, even if some are more prone to damage than others. One example is, leaks in the roof.

The roof is a vital part of a house because it protects the overhead from the elements. However, leaks are bound to occur over time and can lead to significant damage if left untreated. While these leaks can be repaired, homeowners must also know what causes them to ensure they do not happen in the first place. These include:

#1 - Improper Installation of Asphalt Shingles

Most homes have roofs that are covered in asphalt shingles. If not installed correctly, they can become loose and allow water to enter the house. To prevent this from happening, homeowners should ensure that their contractor follows the manufacturer's guidelines for installation.

Additionally, asphalt shingles are also susceptible to cracking, curling, and warping over time leading to leaks. If you notice any signs of wear and tear, you must get them repaired or replaced as soon as possible.

#2 - Lousy Nail Patterns

Nail patterns are an integral part of installing asphalt shingles correctly. Without proper nail patterns, your shingles can become loose and allow water to enter your home. To ensure that your contractor uses the correct nail pattern, ask to see a pattern diagram before the installation begins.

Additionally, ensure that the nails used are the correct length and type. Nails that are too short or too long can cause the shingles to be loose and lead to water damage.

#3 - Pipe Collar Leaks

Pipe collars are a common source of water leaks around windows, doors, and other areas. These collars are designed to provide a watertight seal around the edges of pipes so that water and other elements do not penetrate the home. Over time, these collars can become worn or damaged, leading to leaks.

To prevent these leaks, you should inspect your pipe collars regularly and replace them when necessary. Additionally, be sure to use the correct type of sealant around the collars to provide an extra layer of protection.

#4 - Vent Problems

Vents are a vital part of the home's ventilation system, but they can also be a source of leaks. Vents can become blocked or damaged, seeping water into the house. To prevent this from happening, inspect and clean your vents regularly. Additionally, use a high-quality sealant around the edges of the vents to create a watertight barrier.

#5 - Roof Flashing and Chimney Wear'

Roof flashing and chimney wear can also lead to water leaks. Flashing is the material that seals the edges of the roof and chimney, and keeping it in good condition is essential. You should regularly inspect your roof's flashing and replace any worn or damaged pieces. Again, using a high-quality sealant around the edges to ensure a watertight seal is recommended.

#6 - Improper Installation of Skylights

Skylights are a great way to bring natural light into your home, but if they are not installed properly, they can also be a source of water damage. Ensure the skylight is properly sealed and caulked around the edges to prevent water from seeping in. When installing a new skylight, you should hire a professional to do the job correctly.

#7 - Clogged Gutters

Of course, a home's biggest cause of water damage is clogged gutters. Clogged gutters can cause rainwater to back up and overflow, causing water to enter the house and damage the walls and ceilings. The best and easiest way to prevent this is to clean your gutters regularly.


Water leaks are bound to happen on your roof, but you can be proactive and take steps to prevent them. Because water damage can be costly and cause lasting damage, you must take the necessary steps to protect your home from water damage. This way, your home can remain in good condition, and you can save money on costly repairs.

Cardinal Roof provides top-quality services for roof repairs in Birmingham, AL. Our professional roofing contractors will ensure your home's roof is safe and secure for fair prices. Call 205-377-8400 today to schedule an appointment!