Nail Pops On Roof: What They Mean & How To Fix Them
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Nail Pops on Roof: What They Mean & How to Fix Them

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Posted By: Roof Troopers

A person wearing gloves uses a hammer to nail shingles onto a roof, working outdoors on a sunny day to prevent future nail pops on the roof.

If you’ve spotted some nail pops on your roof, you’re not alone. These small, raised bumps under your shingles may look harmless, but they can lead to bigger problems if left unaddressed. This blog will explain what nail pops are, why they happen, what they mean for the health of your roof, and most importantly, how to fix them. You’ll also learn why hiring professionals like Roof Troopers is the best way to ensure your roof stays in top shape.

Here’s what we’ll cover:

  • What are nail pops on roof?
  • 6 steps to fix nail pops on a roof
  • Why are nail pops a problem?

🤔 Nail Pops on Roof: What Are They?

A worker wearing gloves and a blue shirt uses a nail gun to secure asphalt shingles to a roof, helping prevent nail pops on roof surfaces, while another person in the background carries more shingles under a clear blue sky. nail pops on roof

Nail pops are typically caused by roofing nails that back out of the wood decking, raising the shingle above them into a noticeable bump or “pop.” These often occur where nails were improperly driven, or where the wood underneath has expanded and contracted over time. You can sometimes detect nail pops by spotting protrusions on your shingles or by finding rusty nails that have pushed through the surface.

What Causes Nail Pops?

Several factors can contribute to nail pops on your roof. Understanding these causes can help you prevent future issues:

  • Natural Expansion & Contraction: Wood decking expands and contracts with temperature and humidity changes, causing nails to loosen over time.
  • Improper Nail Placement: Nails that are driven at an angle or improperly placed may pop out as they fail to secure properly.
  • Aging Materials: Over time, roofing materials deteriorate, making it harder for nails to stay anchored.
  • Moisture Penetration: Excessive moisture in your attic or roof decking can weaken the wood and make it easier for nails to work their way out.

✅ 6 Steps to Fix Nail Pops on a Roof

A close-up of a person’s hand using a hammer to nail asphalt shingles onto a roof, showing roofing work in progress and preventing nail pops on roof.

Fixing nail pops isn’t just about hammering them back into place. Proper repair ensures the issue doesn’t recur and protects your roof from further damage. Follow these steps or hire a professional to handle the repairs:

1. Inspect Your Roof 

Begin by closely examining your roof for visible signs of nail pops. These often appear as small bumps or raised shingles that disrupt the smooth, uniform surface of your roof. Walk around your property and try to observe your roof from multiple angles. Use binoculars if necessary to get a closer look without climbing up. If you can safely access your roof, carefully inspect the area around the nail pops for additional damage, such as cracked, torn, or curling shingles. Also, keep an eye out for any discoloration or unusual wear, as this could indicate water damage or aging materials. A thorough inspection is critical, as identifying all problem areas before starting any repairs will save you time and prevent further damage. Make note of every trouble spot so you can address them systematically during the repair process.

2. Remove the Loose Nail 

When you’ve identified a nail pop, the next step is to carefully remove the loose nail without causing further damage to the roof. Begin by gently lifting the shingle above the nail pop using a pry bar, flathead screwdriver, or other flat tool. Be cautious and take your time to avoid tearing or cracking the shingle. Once the nail is exposed, use a hammer or pliers to remove it completely. Pull the nail out slowly and steadily to avoid splintering the wood decking beneath. After removing the nail, take a close look at the area around the hole. Examine the wood decking underneath for signs of rot, such as soft spots, discoloration, or a musty odor. Cracks or structural damage to the decking should also be addressed. If you notice any significant damage, repair or replace the affected area before moving forward to ensure a stable foundation for your roof.

3. Secure a New Nail 

After removing the loose nail and inspecting the area, it’s time to secure a replacement nail. Choose a high-quality roofing nail that is rust-resistant and appropriate for your roof type. Position the new nail slightly below or to the side of the original hole to ensure it grips securely into undamaged wood. Using a hammer, drive the nail straight into the wood decking, ensuring it sits flush but not too deeply into the shingle. If the nail is driven in too far, it could weaken the shingle or compromise the integrity of the roof. On the other hand, leaving the nail too loose increases the risk of future nail pops or leaks. Proper placement and secure fastening are essential to ensuring the repair holds up over time, especially in areas prone to heavy rain, wind, or fluctuating temperatures.

4. Apply Roofing Cement 

Once the new nail is in place, the next step is to create a watertight seal by applying roofing cement. Generously apply roofing cement over the nail head using a trowel, small brush, or similar tool. Ensure the entire nail head is covered to prevent any exposure to moisture, which could cause rust or leaks. Spread the cement evenly around the surrounding area, as this will create an additional layer of protection. Roofing cement not only secures the nail but also helps to bond the shingle back in place. Skipping this step could leave your roof vulnerable to water infiltration, which can lead to costly damage over time. If you’re repairing multiple nail pops, repeat this process for each nail to ensure consistent protection across your roof.

5. Replace or Refit the Shingle 

Once the roofing cement has been applied, carefully reposition the lifted shingle back into its original placement. Align it properly with the adjacent shingles to maintain a clean and uniform appearance. If the shingle was damaged during the repair process or was already cracked or torn, consider replacing it entirely with a new shingle. Replacement shingles should match the color and style of your existing roof for a seamless look. Secure the shingle with additional roofing nails if needed, making sure to properly seal each nail head with roofing cement. Finally, apply roofing cement along the edges of the shingle to firmly hold it in place. This step helps prevent wind or water from lifting the shingle again, ensuring a long-lasting repair. Take your time to ensure the shingle is securely refitted and blends in with the rest of the roof.

6. Conduct Final Inspections 

With the repair complete, conduct a thorough final inspection of the area. Check that all nails are properly secured and sealed with roofing cement. Ensure the shingle is firmly in place and aligns with the surrounding shingles. Look for any gaps, loose edges, or signs of improper sealing that could leave your roof vulnerable to leaks. Also, take a moment to inspect the surrounding area for any additional issues you may have missed earlier, such as other nail pops, damaged shingles, or signs of wear. If you’re unsure about the quality of your repair or if you notice other potential problems, it’s always a good idea to consult a roofing professional. An expert can assess your repair work, provide valuable feedback, and identify any hidden issues that could lead to larger problems down the road. Taking this extra step can save you time, money, and stress in the long run.

👉 Why Are Nail Pops a Problem?

A person wearing an orange glove uses a hammer to drive a nail into black asphalt roof shingles on a sloped roof, helping prevent nail pops on the roof.

Nail pops may not seem like a big deal at first glance, but they can cause serious problems for your roof. Here’s why you shouldn’t ignore them:

Leaks 

Raised nails, also known as nail pops, create small gaps under shingles, allowing water to seep through. Over time, even minor water intrusion can lead to significant damage inside your home. This may result in stained ceilings, peeling paint, or even mold growth if the moisture isn’t addressed quickly. Preventing leaks caused by nail pops is essential to protecting both your roof and the interior of your home.

Shingle Damage 

When nails become loose or pop out, they can tear through shingles or leave them unsecured. This damage exposes your roof to weather elements like rain, snow, and wind, increasing the risk of further deterioration. Damaged or missing shingles reduce your roof’s effectiveness, leaving it vulnerable to leaks and other issues.

Structural Issues 

Ongoing water intrusion caused by nail pops can weaken the roof decking over time. This can lead to warped or rotting wood, which compromises the structural integrity of your roof. Left unchecked, these issues can spread, affecting larger portions of the roof and potentially leading to safety concerns. Regular maintenance can help identify and address structural problems early.

Costly Repairs 

Ignoring nail pops may save time in the short term, but it can lead to costly repairs down the road. What starts as a minor issue can escalate into larger problems, such as widespread water damage, rotting roof structures, or the need for roof replacement. Regular inspections and timely repairs can help you avoid these expensive and preventable issues.

🏠 Roof Nail Pops

When it comes to protecting your home, even small issues like nail pops can lead to bigger problems if not addressed properly. That’s why you need a roofing team you can trust—like Roof Troopers. With skilled professionals, attention to detail, and a commitment to honest, community-focused service, we ensure your roof stays strong and secure for years to come.

Whether it’s fixing nail pops or handling a full roof replacement, we’ve got you covered. Don’t wait for minor issues to escalate—contact Roof Troopers today for a free inspection and let us help keep your home safe and worry-free!

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