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Life Span. Asphalt shingles generally last 15 to 30 years, according to U.S. Inspect. Their life span depends on several factors, including shingle weight, roof slope (to shed water), sun exposure, shingle color (light colors absorb less heat and last longer) and climate.How shingles are stacked in storage also matters.ife Span. Asphalt shingles generally last 15 to 30 years, according to U.S. Inspect. Their life span depends on several factors, including shingle weight, roof slope (to shed water), sun exposure, shingle color (light colors absorb less heat and last longer) and climate.
Extremes of climate, especially high winds, can reduce the longevity of your roof, but if you have a quality roof installed in the first place, you will be able to see the maximum amount of life from it. The most common roofing materials will last for 20 years after installation. These include composite roofs and torchdown roofs. If you opt for wood shingles, you could see a 30- to 40-year lifespan for your roof. Your actual longevity depends on the climate, your roofâs design, and the climate.