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.
Life of tile roofs.
How much life remains in my old tile roof.
As indicated in the graph throughout a 75 year period a natural slate roof will need to be reroofed 1 5 times which means it lasts upwards of 50 years.
According to a study performed by the national association of home builders nahb a trade association that helps promote and represent the policies of the u s.
Asphalt and fiberglass shingles.
The average life of roofing.
Wood shingles and shakes.
Roof shingles are available in asphalt compositions which are covered in crushed stone or fiberglass.
If you have roof tiles that have not been replaces in more than a quarter of a century they need to be evaluated by a qualified professional.
Housin g industry the lifespan of tile roofs far exceeds that of any other roofing material.
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.
An installation of clay roof tiles can be expected to last 100 years.
Clay tile roofs can last 50 years or longer.