20 to 40 years
Asphalt shingles are inexpensive, low-maintenance and easy to install, but tend to be less resistant to wind and strong rain than other materials. The average lifespan of asphalt shingles ranges from 20 to 40 years depending on the manufacturer, although many warranties only guarantee between 15 and 25 years. Fiberglass shingles are more expensive, but can last more than 50 years. Weather is a prime factor in shingle life span. U.S. Inspect notes that in hot climates, such as in Florida, asphalt shingles often deteriorate in 12 to 14 years. And, in northern states, such as Massachusetts, asphalt shingles on houses with high, sloped roofs and an eastern and or northern exposure can last 25 years. Treating asphalt shingles with Shingle Life™ every 36 months can increase roof life expectancy by up to 25% (10 years on average) and help prevent curling, cracking and granule loss. Failure to repair damage and keep roofs clean may result in damage and deterioration from moisture intrusion & wind.. Asphalt shingles are manufactured in various qualities with life expectancies of 15 to 30 years. The 15 year variety, fortunately, has been pretty much eliminated since they s … eldom lasted even 10 years depending on the climate. Composition roof lifeAsphalt shingles are rated at 20, 25, 30, or 35 years. The average roof life is 5 to 10 years less, depending on climate conditions in your area. The life of any asphalt shingle roof is effected if Algae and Mildew is allowed to grow on it. 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.
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asphalt shingles average lifespan