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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.
Did you know the average lifespan of an asphalt shingle roof can vary from 10 to 40 years depending on the quality of the materials and installation? A cheap roof will actually cost you more in the long term.id you know the average lifespan of an asphalt shingle roof can vary from 10 to 40 years depending on the quality of the materials and installation? A cheap roof will actually cost you more in the long term.