Roofing problems are among the most pressing issues homeowners face, and curling shingles is one of the most common problems. While it may seem like a minor issue at first glance, curled shingles can lead to more severe damage if left unaddressed.

Today’s guide will explore:

What causes shingle curling
How to identify it
The steps you can take to prevent and fix it

What is Shingle Curling?

Shingle curling occurs when the edges or corners of roofing shingles turn upward or when the center of the shingle forms a concave shape. This deformation can compromise the roof’s integrity and its ability to protect your home from the elements.

Types of Shingle Curling

There are generally two types of shingle curling:

Cupping: This occurs when the edges of the shingles turn upward, creating a cup-like appearance.
Clawing: This happens when the center of the shingle lifts, but the edges remain flat against the roof.

5 Causes of Shingle Curling

Understanding the root causes of shingle curling is essential for preventing and addressing the issue effectively. Here are some common reasons:

1. Poor Ventilation

Inadequate attic ventilation can cause excessive heat and moisture to build up under the roof, leading to shingle deformation. Proper ventilation helps regulate temperature and humidity levels, extending the lifespan of your shingles.

2. Aging and Wear

Over time, shingles naturally deteriorate due to exposure to sunlight, rain, wind, and other environmental factors. Older shingles are more prone to curling as they lose their flexibility and protective granules.

3. Improper Installation

Incorrect installation techniques, such as not nailing shingles correctly or using the wrong type of adhesive, can cause shingles to curl. Ensuring that your roof is installed by a professional can mitigate this risk.

4. Low-Quality Materials

Using low-quality shingles may save money upfront, but they are more likely to curl prematurely. Investing in high-quality roofing materials can provide better long-term performance.

5. Inadequate Roof Decking

If the roof decking (the surface underneath the shingles) is not properly installed or is damaged, it can contribute to shingle curling. The decking should be smooth, clean, and securely fastened to provide a stable base for the shingles.

Identifying Shingle Curling

Regular roof inspections are crucial for identifying shingle curling before it leads to more significant issues. Here’s what to look for:

Visual Inspection: A simple visual inspection from the ground can often reveal signs of shingle curling. Look for shingles with edges that are lifted or irregular shapes.
Closer Examination: For a more thorough assessment, use a ladder to get a closer look. Check for any changes in the shingle texture, color fading, or missing granules, which can all indicate potential curling.
Professional Inspection: If you’re unsure about the condition of your shingles, it’s best to hire a professional roofer to conduct a detailed inspection. They can identify curling and assess any underlying issues that need to be addressed.

Consequences of Ignoring Shingle Curling

Ignoring shingle curling can lead to several serious issues, including:

Water Leaks: Curled shingles can create gaps where water can seep into your home, leading to leaks, mold growth, and structural damage.
Reduced Lifespan: Allowing shingles to curl can significantly reduce the lifespan of your roof, necessitating premature replacement.
Increased Energy Costs: Poor roof insulation due to damaged shingles can lead to higher heating and cooling costs, as your home will be less energy efficient.
Decreased Property Value: A curled shingle roof can impact your home’s curb appeal and market value, making it less attractive to potential buyers.

Preventing Shingle Curling

Preventing shingle curling is better than having to deal with its consequences. Here are some proactive measures you can take:

Ensure Proper Ventilation

Proper attic ventilation is crucial for maintaining a stable temperature and moisture level. Consider installing ridge vents or soffit vents to improve airflow.

Use High-Quality Shingles

Invest in high-quality, durable shingles that are less prone to curling. Look for shingles that come with a manufacturer’s warranty for added peace of mind.

Professional Installation

Ensure your roof is installed by experienced professionals who follow best practices and manufacturer’s guidelines.

Regular Maintenance

Regular roof maintenance, such as cleaning gutters and removing debris, helps prevent moisture buildup and prolongs the life of your shingles.

Timely Repairs

Address any minor damages or issues promptly to prevent them from escalating into more significant problems.

Fixing Curled Shingles: 5 Key Steps

If you notice shingle curling on your roof, it’s essential to take action promptly. Here are some steps to fix curled shingles:

Step 1. Assess the Damage

Determine the extent of the curling and whether it affects a few shingles or a larger area of the roof. This will help you decide whether to repair or replace the affected shingles.

Step 2. Flatten the Shingles

For minor curling, you can try to flatten the shingles using roofing cement or adhesive. Apply the adhesive under the curled edges and press the shingle back into place. Use a brick or heavy object to hold it down until the adhesive sets.

Step 3. Replace Damaged Shingles

For severely curled or damaged shingles, it’s best to replace them entirely. Carefully remove the old shingle and install a new one, ensuring it is securely fastened.

Step 4. Inspect the Roof Decking

Check the condition of the roof decking and make any necessary repairs or reinforcements. Ensure the decking is clean, smooth, and properly secured before installing new shingles.

Step 5. Consult a Professional

If you’re unsure about the repair process or if the damage is extensive, it’s best to consult a professional roofer. They have the expertise and tools to address the issue effectively and ensure your roof remains in good condition.

We Take Care Of Your Roof Shingles

Shingle curling is a common roofing issue that can lead to more significant problems if left unaddressed. Regular maintenance, proper ventilation, and using high-quality materials are essential for prolonging the life of your shingles and protecting your home.

If you notice any signs of shingle curling or other roofing issues, don’t hesitate to take action. Whether it’s a DIY repair or hiring certified roofing contractors, addressing the problem promptly can save you time, money, and headaches in the long run.

Remember, your roof is one of the most critical components of your home. Keeping it in good condition ensures the safety, comfort, and value of your property. Stay proactive, and your roof will continue to provide reliable protection for years to come. And when you need help with your shingle or roof replacement, reach out to Trust Roofing!

5 Steps to Repair Curling Shingles on Your Roof