Figure 1 is a photo of a typical glass fiber substrate asphalt shingle, a common roofing shingle used throughout the United States. A fiberglass mat is impregnated with asphalt and then coated with a ceramic grit called granules. Claims of roof shingle wind damage often arise when discovering curling of the shingle tabs after a severe wind storm (Refer to Figures 2 and 3). Curling is typically a long-term-related deterioration of the shingle brought on by a variety of causes not related to wind damage.
Four typical causes of shingle curling are outlined below:
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