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Why Asphalt Shingles Curl

Curling is easy to detect because its effect on your roofing, particularly on its aesthetic, is quite obvious. Needless to say, curling shingles are an eyesore. However, their impact goes beyond the appearance of your roof system. When ignored for too long, curling can ultimately reduce the performance of your roofing.

High Performance Homes, a trusted roof replacement expert, discusses the possible causes of shingle curling as well as the different patterns of shingle wear.

 

Why Shingles Curl

 

Shingle curling typically happens in organic-mat or fiberglass-mat asphalt shingles. Generally considered as a sign of normal wear in old roofs, it often appears at the corners of a shingle tab. In this case, replacing the roof is the best course of action.

 

In other instances, though, shingle curling can be caused by an underlying moisture problem, a roof leakor even a roof vent issue. Sometimes it can also be due to poor installation quality. To confirm why your roof shingles are curling, contact a roofing professional to conduct an inspection.

 

Shingle Wear Patterns

 

“Curling”, “cupping” and “fishmouthing” are often used interchangeably, but these terms refer to different kinds of shingle wear patterns.

 

1. Curling – can be found on shingle tab corners or on individual shingles

2. Cupping – uplifted shingle perimeters and a concave

3. Fishmouthing – an upward curve in the center of a shingle tab

 

Distinguishing one wear pattern from another is crucial to determining the right solution to the curling problem. This can be difficult for someone with an untrained eye, so you should have an expert inspect your roof.

 

High Performance Homes is made up of experienced and reliable professionals who can ensure top-notch workmanship. Whether it’s roof damage repair or window replacement, our team has your needs covered. Call us at (360) 342-9253 or fill out our contact form to request an estimate.

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