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.
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.<br /><br /><br />The life of any asphalt shingle roof is effected if Algae and Mildew is allowed to grow on it.