The truth is it really should ve been at more like 27 years.
New tiles old tiles how long to age roof.
Manufacturers typically guarantee the tiles for 30 years and suggest that 60 years is a reasonable service life.
If the underlayment and flashings deteriorate under a perfectly fine tile roof all of the tiles will need to come down.
We foolishly spent as much in maintenance and repairs over the last few years of the original roof s life as we did on a new tile roof.
Nobody minds at all.
While clay roof tiles have been used on roofs for centuries concrete tiles have become more widespread over the last half a century.
Since tile is a permanent roof most guarantees begin at 50 years and go past 75 years everything underneath must be of similar long lasting quality during installation.
It is certainly possible that a tile roof could last 40 years.
Even in the most extreme saturation tests the added weight of water absorbed by concrete tiles is only a maximum of 10 and in real world practice much less at around 5.
Got to really ask whos paying the bill in reality new roof tiles should always be used unless other wise agreed generally this would be discussed with the customer at some point prior to getting to roof level whether the wanted new tiles same as the existing tiles or whether they wanted you to try and get old tiles so as to blend in better with the existing building.
Clay and concrete roof tiles have a long history and a good track record.
My personal home has a tile roof and it went 32 years before needing to be replaced.
Clay tile roofs can last 50 years or longer.
Adding new roofing over old sometimes called a re roof is possible only with asphalt shingles also called composition shingles.
So long in fact that the tiles or slates will outlast the other components of the average pitched roof.
When concrete tiles absorb water the increased weight can cause strain on the roof structure.
The old handmade clay pantiles are a devil to match exactly so most old roofs here have a patchwork of slightly different coloured tiles.
I can t imagine paying to encourage moss and lichen to grow on my roof.
It is well known that clay concrete roof tiles and good quality natural slates can have an incredibly long lifespan.
While clay tiles are available in a host of earthy colors this roofing is best known for its bold terracotta tones extremely popular in the southwest.
Some clients are tempted to ask for the roof to be painted with a pigmented coating to restore the original colour.
Whilst this may make the new and old tiles look the same it can often look patchy due to the lack of quality control during the application which is difficult to achieve in the open air.
You can t do it with wood or slate for example and you should never mix materials such as laying asphalt shingles over cedar shakes.