Thursday, August 11, 2016

Are Your Asphalt Shingles Losing Their Granules?

If you notice your roof is losing granules, there's a chance your roof is nearing the end of it's life. These mineral granules serve as extra protection from the elements. Without those granules, you could experience leaks and other roof damage. In today's blog, your Lake of the Ozarks roofing company explains both the causes and effects of the loss of protective mineral granules on your asphalt roof.

Spotting Granule Loss 


Besides checking the actual shingle surface for granule loss, which can be difficult without climbing on the roof, you can look for granules in the gutters. As the granules fall off the roof, they can collect in the gutters and downspouts. You could also see them collecting on the ground where the downspout sends the water, as the rain can wash the granules down and away from the house.

Causes of Granule Loss


Let's take a look at a few of the common causes of granule loss on asphalt roofs:

1. Your Roof is Old. - In most cases, granule loss will be due to the age of your roof. As your roof ages, the bond between the granules and the asphalt shingle weakens, allowing the granules to fall off. When this happens, it's time to start thinking about investing in a new roof.

2. Your Roof is New. - Granule loss isn't always due to worn out shingles. Often times, brand new shingles can experience minor granule loss due to the foot traffic on your roof during the installation process. If this is the case, you most likely have nothing to worry about. However, if the granule loss continues, there may be a manufacturers defect in the shingles.

3. Your Shingles are Blistering. - Loss of granules can also be due to blistering shingles. Blistering is the term referring to small "pimple-like" protrusions on your shingles. These blisters are typically caused by moisture build-up in the shingles, either from general wear or from a storm. When these "blisters" eventually pop, the granules in that area can be dislodged. If this is the case, you should consider contacting a professional about roof repairs at the Lake of the Ozarks.

4. Your Shingles were Subject to Storm Damage. - Major weather events such as a hail storm can cause your shingles to lose their granules. The impact of the hail can loosen and even remove the granules, and the rain will wash them down your gutters. Depending on how localized the hail damage is, chances are you can just repair that one affected area.

Effects of Granule Loss


Extensive granule loss leads to an exposed roof. Without those protective granules, your shingles are exposed to direct sunlight and rain water. This will cause the wear rate on your roof to accelerate, therefore decreasing the remaining life of your roof. When granule loss is combined with other roof defects such as tears, cracks, or brittleness, its definitely time to consider a roof replacement. 

Keep in mind that shingle loss doesn't necessarily mean you need a full roof replacement. However, if you notice granule loss, it's important you schedule a free roof inspection at the Lake of the Ozarks to determine the severity of the damage. For all your roofing needs at the Lake, give Above & Beyond Roofing a call at 573-302-0354.

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OSAGE BEACH, MO 65065
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