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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.
Most shingled roofs have a life expectancy of 15-25 years depending on climate, shingle color, weight of the shingle, pitch of the roof, and even how well your attic is ventilated. Most roofing companies will provide you with a free roof evaluation along with an estimate for replacement.