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.
The best experienced roofing companies in Denver agree that slate is the most durable of all roof types. It can last from 30 to 100 years. Metal and wood can last of up to 40 years, while asphalt and clay can last up to 20 years. Proper maintenance â if the owner is vigilant and is taking care of his house by hiring professional roofers for annual inspection, the roofing system tends to last longer.