While that s on the higher end you can easily expect your clay tiles to last 50 years or more with proper maintenance.
Terracotta roof tile maintenance.
There are buildings existing today with clay tile roofs upwards of 100 years old that have yet to be replaced.
Tiles with a rough or textured surface may benefit from the use of a doodlebug rather than a mop for a more effective clean.
If clay roof tiles leak the underlying roof structure can be damaged.
Terracotta tiles require regular cleaning with a ph neutral cleaner.
Even on the low end terracotta roofs last for about 50 years.
When replacing hard to match historic tile and if matching clay tile cannot be obtained it may be possible to relocate some of the original tiles to the more prominent locations on the roof where the tile is damaged and insert the new replacement tile in secondary or rear locations or other areas where it will not show such as behind chimney stacks parapets and dormer windows.
Tiles must be properly anchored to flashings and eaves to protect underlying roof material.
Here are some of the reasons that homeowners get the best roof life they can out of terracotta.
Terracotta tiles are breakable.
You can get some advice from the tile stores for the best sealant to be used as these tiles are most problematic to seal.
Maintenance of terracotta tile flooring the main hitch with terracotta flooring is that as it has no glaze on the surface it can pick dust very quickly.
However you can seal them if you ensure which sealants you choose.
The life expectancy of terracotta roof tiles can be as long as 75 years with proper maintenance.
Do not use bleach based or acid based products as these may damage the surface of the tile.