- Understand what causes cupping roof shingles and how it impacts your roof.
- Learn why a weathered roof and poor ventilation lead to curling shingles.
- Discover how improper installation contributes to signs of ageing in shingles.
If you’ve noticed your shingles curling or lifting at the edges, it’s a clear indication that your roof needs attention. Curling shingles, also known as cupping roof shingles, are more than just an eyesore—they’re often a sign of unseen issues that could compromise your roof’s performance. This guide will explore the common reasons shingles curl and what you can do to address the problem before it worsens.
Understanding Cupping Roof Shingles
Cupping roof shingles occur when the edges of asphalt shingles begin to curl upward, creating a concave shape. As shingles age, they lose their flexibility and adhesive properties, making them more susceptible to curling. Left unaddressed, this issue can lead to leaks, reduced energy efficiency, and further roof damage.
What Are the Causes of Curling Shingles?
1. Weathered Roof
One of the most common reasons for curling shingles is a weathered roof. Over time, exposure to harsh elements like sunlight, wind, rain, and snow can weaken shingles, causing them to lose their protective granules and flexibility. A weathered roof is especially vulnerable to curling when the shingles dry out and become brittle. Heavy weather conditions, such as hailstorms or high winds, can speed up this aging process, making your roof appear much older than it is.
2. Improper Installation
Another major factor that leads to curling shingles is improper installation. If shingles are not nailed down correctly or too little adhesive was used, they may not stay flat against the roof’s surface. Additionally, failing to align shingles properly or installing them over an existing layer without addressing the base can create uneven surfaces, which eventually lead to curling. Improper installation not only shortens the longevity of your roof but also increases the likelihood of developing leaks and other damage.
3. Poor Ventilation
Inadequate ventilation in your attic can trap moisture and heat, creating the perfect conditions for shingles to curl. Without proper airflow, the excess heat can cause the roofing materials to expand and contract, leading to cupping roof shingles. Moisture buildup further weakens the adhesive bonds and can even cause mold growth, compounding the problem. Ensuring proper ventilation is key to preventing premature signs of ageing in your roof.
4. Signs of Ageing and Wear
Curling shingles are one of the many signs of ageing in a roof. As shingles age, they become less effective at protecting your home from the elements. The granules that provide UV protection wear away, leaving the shingles exposed to sun damage and cracking. Over time, this wear and tear reduces the overall durability of the roof, making it more prone to curling and other issues.
5. Moisture and Condensation
Moisture is another culprit behind curling shingles. Whether it’s from leaks, poor drainage, or trapped condensation, excess moisture weakens the adhesive backing of shingles and causes them to lose their shape. Inspecting your roof regularly for signs of water damage can help you catch moisture-related problems before they lead to more significant damage.
How to Address Curling Shingles
If you’ve noticed curling shingles, it’s important to act quickly to prevent further issues.
Here are a few steps to address the problem:
- Inspect Your Roof: Look for additional signs of damage, such as missing granules, cracks, or loose shingles.
- Check Ventilation: Make sure your attic has proper ventilation to reduce heat and moisture buildup.
- Repair or Replace Damaged Shingles: Depending on how extensive the curling, you may need to replace individually effected shingles or consider a complete roof replacement.
- Hire a Professional: Working with a trusted roofing contractor can help you identify the root cause of curling shingles and recommend the best solution.
How Can You Prevent Future Curling?
The best way to avoid curling shingles is through proactive roof maintenance. Regular inspections, proper ventilation, and quality installation practices are key to extending the life of your roof.
Here are some tips to prevent future problems:
- Keep Your Gutters Clean: Proper drainage prevents water from backing up onto your roof.
- Invest in Quality Roofing Materials: High-quality shingles are more durable and less likely to curl over time.
- Ensure Professional Installation: Hiring experienced contractors ensures your roof is installed correctly from the start.
Trust the Experts to Fix Curling Shingles
Curling shingles are a clear sign that your roof may need attention. At Jack C. Wilson Roofing Co., we specialize in diagnosing and fixing roof problems, including cupping roof shingles and other signs of ageing.
Don’t let curling shingles compromise your roof’s performance. Contact us today to schedule repairs, replacements, or a brand-new roof, our experienced team has you covered.
