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One of the primary advantages of dimensional asphalt shingles is their superior lifespan. While standard three-tab shingles typically last around 20 years, dimensional shingles can often last 30 years or more, depending on the quality of the materials and the installation. This longevity is largely attributed to their thicker profile and multilayer construction, which provide better resistance against harsh weather conditions, including high winds, rain, and snow. Many manufacturers offer warranties of 30 years or more for these shingles, further assuring homeowners of their value.
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The longevity of a composition roof also greatly depends on the quality of installation. Even the best materials can fail prematurely if not installed correctly. It’s crucial to hire experienced roofing professionals who adhere to best practices in installation. Proper ventilation, underlayment, and flashing are vital components that play a significant role in ensuring the roof's durability and performance.
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