Asphalt Shingle Deterioration

5 Main Causes of Asphalt Shingle Deterioration

When you install a new roof on your home, you probably hope that it will last forever. And if not forever, at least for the length of time that you remain in your home! Unfortunately, early shingle damage and deterioration can be all too common, especially in climates prone to severe weather or heat.

If you find yourself needing a new roof earlier than expected, you’re probably wondering what happened to cause such extensive damage to your roof. Below we’ve outlined the top five most common causes of asphalt shingle deterioration to help keep you educated and informed.

Weather Damage

Weather Damage is the number one cause of shingle damage. Weather damage encompasses hail, snow, ice, and wind. Hail and wind can be particularly damaging and often occur together. Hail can crack or puncture your shingles upon impact and severe winds can cause shingles to dislodge slightly or completely rip off. At PRQ Exteriors, we recommend inspecting your roof carefully after any severe weather to ensure that no major damage occurred.

UV Light/Sun

Exposure to sunlight and UV radiation can speed up the deterioration of your roof by altering the chemical makeup of your shingles. Be wary of potential sun damage to your roof, especially if you live in a particularly warm and sunny climate.


Heat from both the sun and your attic can cause your roof shingles to curl at the edges. Although there is nothing you can do about the sun, be sure to keep your attic and living spaces as cool and well ventilated as possible to help prevent heat build up underneath your roof.


Excess water or moisture is damaging to your roof in a number of ways. First, excess moisture encourages algae and moss growth on your roof. If you’ve ever noticed a roof with a green tinge, it is likely due to algae and moss growth. Second, moisture and warm air can cause blisters on your roof. These blisters can then “pop”, dislodging the protective granules in your shingles leaving your shingles more susceptible to other damage.

Overgrown trees

Be cautious of any trees growing close to your property and be sure to regularly trim them. Overgrown limbs can puncture your shingles and an accumulation of leaves on your roof can lead to clogged rain gutters which then traps moisture on your roof.

Architectural Roof Shingles

To best protect your roof and ensure its longevity, be sure to regularly inspect it for damage, especially after storms. If you suspect your roof shingles might be damaged, call the team at PRQ Exteriors to schedule a free inspection today. We’ll send a member of our team of experts out to assess your roof and help get your repairs underway quickly and efficiently.

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Has Your Home or Business Been Hit by Hail?

PRQ Exteriors specializes in comprehensive roof inspections and repairs due to storm damage. We will work closely with homeowners to identify any repairs and provide a free inspection report. We are your local roofing and storm repair experts with more than 200+ 5-Star reviews on Google.

If we find damage to your roof and other personal property (window screens, gutters, fencing, etc.), we help our customers file an insurance claim and manage the entire process to ensure you get the maximum coverage, ensuring your home is restored to its pre-storm condition or better!

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