Granule Loss on Roof

Roof Granular Loss and How to Address It 

8 minutes

Roof granular loss poses a common challenge for homeowners, as it involves the gradual erosion of the protective granules covering asphalt shingles. These granules play a vital role in shielding the shingles from UV rays and adverse weather conditions. As granules wear off, your roof becomes vulnerable to various issues. 

In the upcoming sections of this blog post, we will delve into the multiple causes of granular loss, encompassing factors like aging, weathering, improper installation, and foot traffic. The consequences of granular loss can be far-reaching, potentially compromising the durability, energy efficiency, and waterproofing capabilities of your roof. 

However, there’s good news: proactive measures can help prevent and mitigate granular loss. We’ll explore strategies such as regular roof inspections, diligent maintenance practices, and prompt repairs. Moreover, we’ll highlight the importance of using premium roofing materials like GAF’s HDZ shingles and entrusting the expertise of professional roofing contractors such as DaBella. Stay tuned for insightful tips and solutions to safeguard the longevity and performance of your roof.  

What is Granular Loss on a Roof? 

Granular loss on a roof refers to the gradual erosion or wearing away of the protective granules that cover the surface of asphalt shingles. These granules play a crucial role in shielding the shingles, thereby extending their lifespan. 

Identifying granular loss on your roof is important to ensure its longevity and functionality. One way to identify granular loss is by checking your gutters or downspouts for the presence of granules. If you notice a significant amount of granules accumulating in these areas, it may indicate granular loss on your roof. 

There are a few common signs that can help you determine if your roof is experiencing granular loss. Firstly, inspect the shingles themselves. If you notice bald or shiny patches where the granules have worn off, it is a clear indication of granular loss. Finally, if your shingles appear discolored or have a faded appearance, it could be a sign of granular loss. 

Causes of Granule Loss on a Roof 

Granular loss on a roof can be caused by various factors, including weather-related elements, the age and wear of the roof, and other contributing factors. 

Weather-related factors are one of the primary culprits behind granular loss. Extreme heat, heavy rain, hailstorms, and windstorms can all take a toll on your roof’s granules. Over time, the constant exposure to these elements can cause the granules to loosen and eventually wash away. 

The age and wear of a roof also play a significant role in granule loss. As roofs age, they become more susceptible to damage and deterioration. The constant exposure to the sun’s UV rays can cause the granules to degrade and lose their adhesive properties. Additionally, foot traffic, debris, and improper maintenance can further accelerate granule loss. 

Aside from weather and age, other factors can contribute to granular loss on a roof. Poor ventilation in the attic can lead to excessive heat buildup, causing the shingles to overheat and the granules to detach. Improper installation techniques, such as using inadequate adhesive or nails, can also result in granule loss. 

If you have noticed granular loss on your roof, it is advisable to consult with a professional roofing company like DaBella. Our experienced team can assess the condition of your roof, provide expert advice, and recommend the appropriate solutions to prevent further granule loss and ensure the longevity of your roof. 

The Effects of Shingle Granular Loss on Your Roof 

Granular loss on your roof can have significant effects on its functionality and durability. When shingles start losing their granules, it can compromise their ability to protect your home from the elements. 

One of the main impacts of granular loss is the reduced functionality of shingles. The granules on the shingle’s surface play a crucial role in shielding it from harmful UV rays. As these granules wear off, the shingle becomes more vulnerable to sun damage, which can lead to cracking, curling, and premature aging. 

In addition to reduced functionality, rotten shingles and granule loss also increases the roof’s vulnerability to leaks and water damage. The granules serve as a protective layer that helps repel water and prevent it from seeping into your home. Without this layer, water can penetrate through the shingles, causing leaks and potentially leading to structural damage. 

It’s important to address granular loss promptly to avoid long-term consequences. If left untreated, the ongoing exposure to sun, rain, and other environmental factors can accelerate the deterioration of your roof. This can result in more extensive damage, costly repairs, and even the need for a full roof replacement

At DaBella, we understand the importance of maintaining a healthy roof. Our team of roofing experts can assess your roof’s condition and provide solutions to prevent and address granular loss. Contact us today to schedule a consultation and ensure the longevity of your roof. 

Preventing and Repairing Granular Loss 

Granular loss on a roof can lead to various issues such as reduced durability, increased vulnerability to leaks, and fading in the color of the roof. However, with proper maintenance and timely repairs, you can prevent and mitigate the effects of granular loss on your roof. 

To prevent granular loss, it’s essential to implement routine maintenance practices. Regularly inspect your roof for any signs of granular loss, such as bald spots or excessive granules in gutters and downspouts. Additionally, keep your roof clean and clear of debris, as accumulated debris can accelerate granule loss. Trim overhanging branches to minimize the risk of falling leaves and branches damaging the roof. 

When cleaning your roof, it’s crucial to use proper techniques that preserve the granules. Avoid using pressure washers or harsh chemicals, as these can dislodge granules and cause further damage. Instead, opt for gentle cleaning methods such as low-pressure washing or manual brushing with a soft-bristle brush. 

Granule Loss: Frequently Asked Questions 

How Much Granule Loss is Too Much? 

The amount of granule loss that is considered “too much” for asphalt shingles can vary depending on various factors such as the age of the shingles, the manufacturer’s specifications, and environmental conditions. However, as a general guideline, significant granule loss may indicate potential issues with the shingles’ durability and lifespan. 

If you notice excessive granule loss, it’s advisable to consult with a roofing professional to assess the condition of your shingles and determine the underlying cause. Granule loss can occur due to factors such as age, weathering, hail damage, manufacturing defects, or improper installation. 

In many cases, some granule loss is normal over time, especially during the initial settling period after installation. However, if you observe a large amount of granules accumulating in gutters or around the perimeter of your home it could indicate a problem that needs attention. 

Is it Normal for Granules to Come off a New Roof? 

It is normal for some granules to come off a new roof, especially during the initial installation and settling period. Asphalt shingles are manufactured with a layer of granules embedded into the surface, which helps protect the shingles from UV rays, weathering, and wear. 

During the manufacturing process and transportation, some loose granules may be present on the surface of the shingles. Additionally, handling the shingles during installation can dislodge some granules. 

After the installation, it’s common for the shingles to shed some loose granules as they settle and bond together. This shedding is typically a temporary occurrence and should not significantly affect the overall durability or performance of the roof. 

Can you Replace Granules on Shingles? 

It is not practical or feasible to replace granules on asphalt shingles once they have been lost. Granules are an integral part of the shingle’s protective layer, providing resistance to UV rays, weathering, and wear. 

While it’s possible to apply a sealant or coating to the surface of shingles as a temporary measure to help protect them, this does not replace the lost granules or restore the shingle’s original integrity and is merely a band-aid fix for a serious issue. Additionally, attempting to add granules manually to the surface of shingles is not a viable solution and is unlikely to provide adequate protection. 

Tackle the Threat of Granule Loss with DaBella’s Roof Replacement Expertise 

If you’re noticing granule loss on your roof, it’s essential to address it promptly to prevent further damage and ensure the long-term integrity of your home. At DaBella, we understand the importance of a reliable roof, which is why we’re here to help. Give us a call today at 844-322-3552, and our team of experts will promptly assess the extent of the granule loss and develop a comprehensive plan tailored to your specific needs. 

As a GAF Master Elite roofer, we bring unparalleled expertise and professionalism to every project. With our commitment to best-in-class roof replacements and impeccable customer service, you can trust DaBella to deliver exceptional results that stand the test of time. 

What’s more, our partnership with GAF allows us to offer the Golden Pledge warranty, providing you with added peace of mind and protection for your investment. With DaBella, you can rest assured that your home is in good hands. Contact us today to schedule your free no-obligation estimate.


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Steven Shortridge

District Manager

Portland, OR

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