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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.
A shingle roof generally lasts twenty to fifty years. This covers a number of types of material including composition shingle, asphalt shingle, dimensional shingle, 3-tab shingle and more. Shingles come in four major varieties: 20, 30, 40 and 50-year. These are, as you can see, categorized by their life-expectancy.