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  • Writer's pictureMatt O'Dore

Understanding Granule Loss on Roof Shingles

Updated: Feb 23


Old asphalt shingles on a house

In the realm of roofing, safeguarding the durability and health of your roof remains critical. At the heart of this protection lies the issue of granule loss on shingles. As experts in the field, Matador Exteriors is dedicated to enlightening homeowners about this vital topic. This guide is tailored to ensure your roof, especially if you're looking for roofing Vancouver WA solutions, remains in prime condition for the long haul.


The Crucial Role of Granules on Shingles

Granules, those small crushed stones that adorn the surface of the shingle, carry immense significance in roofing. Their pivotal functions include:

  • Protection: Guarding the underlaid asphalt from harmful ultraviolet rays.

  • Fire Resistance: Enhancing the fire-resisting capabilities of the shingle.

  • Aesthetics: Giving the roof a vibrant look with varied colors and textures.

  • Weather Resistance: Acting as a buffer against the elements.

Deciphering the Causes of Granule Loss

1. The Inevitable Aging

Just as everything ages, so does the roof. Over its lifetime, constant exposure to the elements like wind, rain, and sun will gradually wear off the granules. It's an inescapable facet of the roof's lifecycle, something even the best Vancouver WA roofers like Matador Exteriors continually educate homeowners about.

2. Wrath of the Elements

Hailstorms or aggressive winds can be harsh on roofs, dislodging granules and accelerating the aging process.

3. Unintended Damage from Foot Traffic

A casual stroll on the roof or maintenance activity can sometimes lead to granules getting loosened, especially if not undertaken with caution.

4. Production Anomalies

In rare instances, defects during the manufacturing process might weaken the bond between asphalt and granules, leading to premature shedding.

5. Insufficient Roof Ventilation

The importance of apt ventilation cannot be overstressed. Heat accumulation due to poor ventilation could spell trouble for granules.


Unraveling the Impact of Granule Loss

Shortened Roof Tenure

A direct consequence of granule loss is the exposure of the underlying asphalt to UV rays, triggering its rapid deterioration.

Diminished Visual Appeal

A roof showing signs of granule loss tends to appear patchy and aged, undermining the aesthetic value of the property.

Dwindling Fire Resistance

The fire-resisting prowess of the shingles is contingent on the granules. Their absence can make homes more vulnerable to fire incidents.


Fortifying Against Granule Loss

Embrace Regular Roof Check-ups

Matador Exteriors, among the leading Vancouver Washington roofing companies, recommends periodic roof evaluations, especially post any extreme weather events.

Ventilate Right

Ensuring the right ventilation for the attic can keep granule loss at bay by preventing excessive heat buildup.

Go for Quality

Opting for premium shingles with a proven record of granule adhesion can be a game-changer in staving off granule attrition.

Tread with Care

Minimizing roof foot traffic and exercising caution during any roof-related activities is a proactive step in the right direction.


In Summation

Matador Exteriors believes that an informed homeowner is an empowered one. By understanding granule loss and adopting best practices, you can extend the life of your roof and safeguard your investment, especially when navigating the roofing Vancouver WA landscape.




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