Is Granule Loss in Asphalt Shingles a Big Deal?

• Diana Ivers
• 2 months ago
• Categories: Roofing
• Tags: asphalt shingles, Granule Loss, roof maintenance

When maintaining your roof, understanding the condition of asphalt shingles is crucial. Granule loss in asphalt shingles is a phenomenon that often raises concerns among homeowners. In this post, we explore its potential impacts and the necessary steps to address the issue.

Understanding Granule Loss in Asphalt Shingles

Asphalt shingles are topped with granules that serve multiple purposes: They protect shingles from UV rays, provide fire resistance, and contribute to the aesthetic appeal of the roof. Over time, it’s normal for some granules to loosen and wash away due to rain. However, the severity and speed at which this happens can vary, raising the question of when it becomes a significant concern.

Early Signs of Granule Loss

Typically, homeowners might first notice granules accumulating in gutters or at the end of downspouts after heavy rains. A closer inspection might reveal bare spots on shingles or a general lightening of the roof appearance. These early signs can be your cue to take a closer look or consult a roofing specialist.

Causes of Granule Loss

Each of these causes suggests different steps for mitigation, from routine maintenance to more significant roof repairs or replacement.

Age of the Roof 

Over time, the bond between the granules and the asphalt shingle weakens due to natural weathering, leading to granule loss.

Physical Damage

Events like hail storms can physically dislodge granules.

Defective Shingles

Occasionally, manufacturing defects can result in premature granule loss.

Poor Ventilation

Inadequate attic ventilation can cause heat buildup, accelerating the aging process of shingles.

When Is Granule Loss a Concern?

Granule loss becomes a significant concern when it compromises the functionality of the shingle. This happens when:

• The underlying asphalt layer is exposed to the elements, speeding up shingle deterioration.
• The color of the roof becomes uneven, impacting the home’s aesthetic value.
• The loss leads to leaks or other forms of water damage within the home.

In these cases, it is crucial for homeowners to seek the expertise of reputable roofing professionals. They can assess the extent of the issue and recommend appropriate measures.

Preventive Measures and Maintenance

To mitigate granule loss, homeowners can adopt the following preventive measures:

• Regular Inspections: Particularly after severe weather conditions, inspecting the roof for signs of granule loss can catch issues early.
• Proper Ventilation: Ensuring your attic is well-ventilated to prevent heat buildup can extend the life of your shingles.
• Prompt Repairs: Addressing any roof damage promptly can prevent further granule loss.

Hiring a local roofing expert like JAM Roofing for regular maintenance is a wise investment in preserving the lifespan of your roof. Reach out to us through our contact form or call (541) 773-7663 to schedule an appointment.