For fibre cement roof slates the life expectancy is a little shorter at around 50 60 years.
Slate roof tiles lifespan.
Natural slate is the most durable roofing material.
There are slate roofs today still functioning that are multiple centuries old.
Clay tile typically lasts 40 to 60 years while slate and concrete tiles have a lifespan of 50 to 100 years.
The added bonus that slate provides is a longevity that most other roof materials cannot compete with.
Inspectors who do not know the composition and source of slates would not want to condemn except in the worst of circumstances a vermont slate roof.
With proper maintenance such an asset may be continued for an indefinite period.
This is a roof that can easily last 100 years or and far more.
There are slate roofs still in operation that literally date back to shakespeare s time.
As a result geologist emphasizes natural slate durability to last over a century.
Walsh highlights that natural slates have a service life of greater than 100 years.
Life expectancy of pennsylvania roofing slate.
To achieve this kind of longevity immediately replace any broken slate tiles you see.
Siga 24 slate roof.
Make sure that all flashings are correctly installed and in good working order.
On the other hand even with proper maintenance wood shake asphalt shingle and concrete tile roofs are known to last only 20.
After a detailed research walsh exposed natural slate including cupa 3 to different weather conditions.
Flat roofs the lifespan of a flat roof depends on the material covering it.