What Causes Asphalt Shingles to Curl?

The last thing a homeowner wants to see is their asphalt shingles starting to curl. They may seem like a superficial problem, but they are not a good sign and are indicative of the health of your roof. Wortham Bros., Inc., your roof repair experts, shares what causes asphalt shingles to start curling. 

Improper Installation

Curling may be a sign that the roof wasn’t properly installed. Either the original roofer didn’t use the right nails or nailed the shingles in the wrong spot. This type of curling often manifests very late in the life of the roof and may often come as a surprise after many years.

Improper Attic Ventilation

Hot and humid air from your home naturally rises upward and exits through the roof. If the attic is poorly ventilated, the moisture will get trapped in the roof deck, which results in curling on top of mold proliferation.

Poor ventilation doesn’t just affect the roof though. In some cases, your home may require siding replacement when the moisture starts to accumulate on the walls as well! Keeping your attic well ventilated doesn’t just keep the roof and siding healthy, it also keeps your home as energy-efficient as possible.

Curling as a Sign of Old Age

Finally, your asphalt shingles can start curling as it ages. Usually, this happens when the roof goes beyond its average life span of 20 to 25 years. Consider this a sign that you should replace the roof completely and soon to avoid further damage and decay.

Wortham Bros., Inc. is ready to assist you with all of your roofing concerns – from general repair and maintenance to gutter replacement. Get in touch with us at (972) 960-3135 or fill out our contact form to learn more. We look forward to working with you and bringing out the best in your home.

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