two roof technicians on a two story building repairing chimney flashing

Roof Leaking? Here are the Top Roof Leak Causes Explained

At Liberty Township Roofing, we’ve spent years addressing a variety of roofing issues for our clients. From minor fixes to major overhauls, our experience has given us a deep understanding of the most common types of roof repairs. We’ll explore these issues, focusing on missing shingles, chimney flashing repairs, and step flashing repairs.

Additionally, we’ll touch on other frequent problems like leaks, gutter issues, and vent pipe repairs. Understanding these common roof repairs can help you maintain your roof more effectively and ensure the longevity of your home’s most critical protective structure.

1. Missing Shingles

One of the most prevalent issues we encounter is missing shingles. Shingles can be dislodged by strong winds, heavy storms, or simply due to age and wear. When shingles are missing, the underlying layers of your roof are exposed to the elements, leading to potential water damage and reduced insulation. This not only affects the aesthetic appeal of your roof but can also cause leaks and structural damage over time.

Signs of Missing Shingles:

  • Visible gaps on the roof.
  • Granules from shingles accumulating in gutters.
  • Water stains on ceilings or walls inside your home.

Our Solution: At Liberty Township Roofing, we quickly replace missing shingles to prevent further damage. We ensure the new shingles match your existing roof to maintain its uniform appearance and effectiveness.

2. Chimney Flashing Repairs

asphalt shingle roof and chimney
Old leaking flashing removed. Ready for new flashing.

Chimney flashing is critical in preventing water from seeping into your home where the chimney meets the roof. Over time, the flashing can deteriorate due to weather exposure or improper installation, leading to leaks and water damage.

Signs of Flashing Issues:

  • Water stains around the chimney area.
  • Visible cracks or rust on the flashing.
  • Leaks during heavy rain.
  • Water stains on the ceiling.

The Solution: Expertly remove the old, damaged flashing and install new, high-quality flashing and shingles to ensure a watertight seal around your chimney.

3. Step Flashing Repairs

close up view of house siding removed for roof leak detection.
Old step flashing removed prior to installation of new flashing and replacement of existing siding.

Step flashing is used where the roof meets a vertical surface, such as a wall or dormer. Proper step flashing is essential for directing water away from these intersections. Over time, step flashing can become loose or corroded, leading to potential water infiltration.

Signs of Step Flashing Problems:

  • Water leaks along walls.
  • Loose or visibly damaged flashing.
  • Rust or corrosion on the flashing.

The Solution: Have an expert carefully replace or repair step flashing to ensure a tight seal against water infiltration. They This process involves removing shingles around the affected area, installing new flashing, and replacing the shingles to restore the roof’s integrity.

4. General Roof Leak Detection

Detecting leaks isn’t always as obvious as missing shingles, damaged flashing, or punctures in the roof membrane. Complicated leaks, in particular, often have a different entry point, far from where the leak is eventually noticed. Water will travel along the path of least resistance until it reaches a flat surface where it can pool and accumulate before becoming noticeable. An reputable and experienced roofer will typically diagnose the three most likely causes of the leak, working from the most probable and least expensive option to the most expensive to fix the problem.

Signs of Roof Leaks:

  • Water stains on ceilings or walls.
  • Dripping water during rain.
  • Damp or musty odors in the attic.

The Solution: Have an experienced roofer conduct a thorough inspection to identify the source of the leak and provide a comprehensive repair solution. This may involve patching small punctures, replacing damaged shingles, or addressing flashing issues. If you feel the roofer is unsure, ask to start with the simplest and cost effective option for a quote while fielding other opinions to help maximize your chance of a successful experience with your roof repair.

5. Gutter Repairs

Gutter downspout requiring repair.

Gutters play a vital role in directing water away from your roof and foundation. Clogged, damaged, or improperly installed gutters can lead to water overflow, causing damage to your roof, siding, and foundation.

Signs of Gutter Problems:

  • Water spilling over the edges of gutters.
  • Sagging or detached gutters.
  • Erosion or pooling water around the foundation.

The Solution: Proper gutter function is essential and requires cleaning, repairs, and ensuring proper slope and attachment. This means removing debris, fixing leaks, and verifying the gutters are angled and secured correctly to facilitate effective water drainage. It’s worth noting that older homes and many production homes often have 5-inch gutters. Upgrading to wider, 6-inch downspouts can significantly improve water drainage away from your foundation.

6. Vent Pipe Repairs

Vent pipes penetrate the roof and are sealed with flashing, typically made of rubber or metal, to prevent leaks. However, these seals can degrade over time due to sun exposure, allowing water to seep in.

Signs of Vent Pipe Issues:

  • Water stains around vent pipes.
  • Cracked or deteriorated seals.
  • Leaks during rain.

The Solution: Replace worn or damaged vent pipe seals with durable, weather-resistant materials to prevent leaks and ensure a tight seal around the pipes.