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close up of curling shingles with snow on them
Posted by : Colby Stockton

Your roof is a crucial component of your home, providing shelter and protection from the elements. Among the various issues that can plague your roof, one common problem is curling roof shingles.

Curling shingles not only detract from your home’s appearance but also pose potential dangers and can lead to costly damage if left unattended. Today, we’ll explore:

  • The reasons behind shingle curling
  • The hazards it presents
  • Step-by-step instructions on how to repair curled shingles
  • Tips for maintaining your shingle roof to prevent future problems
asphalt shingles curling

Reasons Why Your Roof Shingles Curl

Curling roof shingles can result from various factors, both natural and human-made. Understanding these causes can help you take preventive measures and address the issue promptly. Here are some common reasons why shingles curl:

  • Age: As shingles age, they become more susceptible to curling. Over time, exposure to sunlight, rain, and temperature fluctuations can cause shingles to lose their flexibility and curl up at the edges.
  • Poor Installation: Shingles that are not properly installed are prone to curling. Incorrect nailing, inadequate ventilation, or improper alignment can lead to premature shingle failure.
  • Inadequate Ventilation: Poor roof ventilation can trap heat and moisture in the attic, causing the underside of the shingles to overheat. This excessive heat can accelerate the deterioration of the shingles and lead to curling.
  • Inferior Materials: Low-quality or poorly manufactured shingles are more likely to curl. Investing in high-quality shingles can extend their lifespan and reduce the risk of curling.
  • Inadequate Attic Insulation: Inadequate insulation can contribute to temperature imbalances in the attic. Fluctuations in temperature can cause the shingles to contract and expand, leading to curling over time.

4 Reasons to Repair Curling Shingles

Ignoring curling roof shingles can have serious consequences for your home and your wallet. Here are some of the dangers associated with curled shingles:

1) Leaks and Water Damage 💧

Curling shingles create gaps and spaces that allow water to seep beneath them. This can result in leaks, which can lead to water damage to your roof’s structure, attic, and interior spaces.

2) Reduced Energy Efficiency 📉

Curling shingles can compromise your home’s energy efficiency. Gaps in the roof allow heat to escape during the winter and hot air to infiltrate during the summer, increasing your heating and cooling costs.

3) Mold and Mildew Growth 🍄

Moisture trapped beneath curled shingles can create ideal conditions for mold and mildew growth. These harmful organisms not only affect the indoor air quality but can also deteriorate your home’s structural integrity.

4) Decreased Property Value 💸

A roof with curling shingles can significantly reduce the curb appeal and overall value of your property. Potential buyers may be hesitant to invest in a home with an obvious roofing issue.

Step-by-Step Guide to Repairing Curled Shingles

If you’ve noticed curling shingles on your roof, it’s essential to address the issue promptly to prevent further damage. Here’s a step-by-step guide to repairing curled shingles:

Gather the Necessary Tools and Materials:

You’ll need:

  • A ladder
  • Roofing cement or adhesive
  • Caulking gun
  • Putty knife
  • Replacement shingles
  • Roofing nails
  • Hammer

Safety First

Ensure your ladder is stable and positioned securely. Use appropriate safety gear, including gloves and safety goggles, to protect yourself during the repair.

Remove Damaged Shingles

Carefully lift the curled shingles using a putty knife and remove any roofing nails holding them in place. Be cautious not to damage surrounding shingles.

Straighten the Curling Shingles

Gently flatten the curled shingles using your hands. If they are too stiff, you can soften them with a heat gun on a low setting or warm sunlight.

Apply Roofing Adhesive

Apply roofing cement or adhesive underneath the curled shingles, both on the edges and in the middle. Press the shingles down firmly to ensure they adhere properly.

Secure the Shingles

Replace any removed roofing nails with new ones to secure the shingles in place. Ensure the nails are positioned slightly below the surface of the shingle to avoid damage.

Replace Severely Damaged Shingles

If the shingles are too damaged or cannot be straightened, you’ll need to replace them with new ones. Slide the replacement shingle into place and secure it with nails.

Check the Surrounding Shingles

Inspect the adjacent shingles to ensure they are not damaged or compromised. If you discover any issues, address them as needed.

Clean Up

Remove any debris from the repair site and inspect your work to ensure it’s properly sealed and secure.

How to Maintain Your Shingle Roof

damaged shingle roof

Preventive maintenance is key to extending the lifespan of your shingle roof and reducing the risk of curling shingles. Here are some tips for maintaining your shingle roof:

  • Regular Inspections: Perform regular visual inspections of your roof to identify potential issues early. Look for signs of curling, missing shingles, or damaged flashing.
  • Keep Gutters Clean: Clogged gutters can lead to water backup, which can damage your shingles and promote curling. Clean your gutters regularly to prevent this issue.
  • Trim Overhanging Branches: Trees with overhanging branches can drop debris onto your roof and provide shade that promotes moss and algae growth. Trim back branches to minimize these risks.
  • Maintain Proper Ventilation: Ensure your attic has adequate ventilation to regulate temperature and moisture levels. Proper ventilation can extend the life of your shingles and reduce the risk of curling.
  • Address Moss and Algae: If you notice moss or algae growth on your shingles, address it promptly. You can use specialized cleaners or hire a professional to remove these organisms.
  • Schedule Professional Inspections: Have your roof inspected by a professional roofing contractor every few years to assess its condition and perform any necessary maintenance or repairs.

Stop Curling Asphalt Shingles Today!

Curling roof shingles can be a common issue, but it’s one that should not be ignored. Understanding the causes, dangers, and proper repair techniques can help you maintain the integrity of your shingle roof and protect your home from water damage, energy inefficiency, and decreased property value.

When it comes to solving the root cause of your shingle issues, working with certified roofing contractors is key. At Highroad Roofing, we can help you with everything from a roof replacement to replacing a few shingles. Contact us today to get started!

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