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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.
Typically, a wood shingle roof will last 20 to 40 years. Natural slate is a roofing material that consists of shingle-like slivers of rock. The quality of the rock, its thickness, and density, all affect life expectancy. A slate roof can last from 45 to several hundred years.