All About Blistering Asphalt Shingles

October 25, 2019

If some of your roof shingles look like they have droplets of water on them, but there’s no rain, it could be blisters on your asphalt shingles. You may notice this problem more during the summer as heat and moisture are what causes shingles to blister. However, if you haven’t taken the time to have your shingles checked out, now is an excellent time to schedule a roof inspection!

Why do Asphalt Shingles Blister?

There are two main reasons why asphalt shingles will blister. First, it could simply be from trapped moisture during the shingle’s manufacturing process. The trapped moisture will try to evaporate under the sun’s heat, causing your shingles to blister. The second reason is poor ventilation. If your roof is poorly ventilated, intense heat can cause blistering asphalt shingles, as well as damage to your attic siding and roof’s edges.

Myth: It’s Just a Cosmetic Problem

Blistering asphalt shingles definitely do not help your home’s curb appeal, but it’s not just a simple cosmetic problem. If any blisters on your shingles pop, those areas of missing granules will start to deteriorate faster. This will affect the longevity of your roof and could lead to a roof leak. Prevent blistering shingles from popping by staying off your roof and keeping it clear of debris.

What to Do If Your Shingles Have Blisters

If you see any blistering asphalt shingles on your roof, don’t fret! Schedule an inspection with your local roofing contractor to make sure your shingle granules are intact and replace any damaged shingles. It’s also vital to also make sure any underlying problems, like if you have a poorly ventilated roof, are resolved. Otherwise, your shingles may start blistering again.

When you see damaged or cracked shingles on your roof, call IBEX Roof right away! We specialize in roof maintenance, repair, and replacements, and service the regions around Portland, OR and Vancouver, WA. Get a free estimate for your next roofing project by filling out our online form today!

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