PornMD released its search statistics for pornography and broke down the most popular search terms by country and state. For example, the most searched term in California is Asian while the most popular search term in Finland is mature and granny. Different strokes!
That said, hereâs a list of the average roof lifespan per type of roofing material: 1  Asphalt Shingles â 15-30 years. 2  Wood Shakes â 30-50 years, when maintained. 3  Metal Roofs â 50+ years.  Tile Roofing â 50+ 1  years. Natural Stone â 50+, when maintained.  Synthetic Roofs â 30-50+, depending on material.
Metal vs. Asphalt Roofs. 1  Longevity -- The average lifespan of an asphalt roof is 15-20 years. 2  A metal roof can last 40-60 years easily before it needs any major attention. 3  Resale Value -- Replacing your asphalt roof with a metal roof can add $1.45 per square foot to your home's resale value.