What Is Asphalt Shingle Curling and Why Does It Occur?

In the United States, asphalt shingle roofs are by far the most used roofing material. In fact, it is estimated that over 70 percent of American homes are protected by an asphalt shingle roof and it’s easy to see why. Not only is asphalt inexpensive compared to other roofing materials, it is also very durable. But for all their great qualities, asphalt shingles do have their share of issues. And one of them is curling. In today’s post, we explain why asphalt shingles curl and provide a few useful tips to prevent it from happening.

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