In terms of concrete tile roofs they will last an average of 50 years.
Concrete tile roof lifespan.
A roof constructed of concrete clay or slate may be the last roof you will ever need.
Concrete tile such as those manufactured by eagle roofing products and natural clay tile will need to be reroofed 1 time during this period meaning they last 75 years or more.
Clay tile typically lasts 40 to 60 years while slate and concrete tiles have a lifespan of 50 to 100 years.
Clay tile or slate tile roofs are two of the best roofing systems and can last up to 100 to 150 years or so especially when combined with quality underlayment.
How much life remains in my old tile roof.
The life expectancy of a tile roof will all depend on the materials used for the tile roof.
Clay tiles can last up to 100 years terracotta tiles around 50 years and slate roof tiles can last up to 100 years in the right conditions.
Although the tile is rated by manufacturers as a having a 50 year life or more it is primarily a protective covering for the asphalt based roofing layer below it typically 30 pound felt or mineral surface roll roofing secured to the roof sheathing and down lapped.
Concrete tile roofs often last 50 years or more.
Flat roofs the lifespan of a flat roof depends on the material covering it.