Natural slate is the most durable roofing material.
Slate roof tiles lifespan.
Typical life for pennsylvania slate roofs is 40 50 years.
There are slate roofs still in operation that literally date back to shakespeare s time.
With proper maintenance such an asset may be continued for an indefinite period.
There are slate roofs today still functioning that are multiple centuries old.
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.
Siga 24 slate roof.
This is a roof that can easily last 100 years or and far more.
A lifespan of 80 100 years is typical for slate roofing although this can last longer if maintained well after installation.
Life expectancy of pennsylvania roofing slate.
On the other hand even with proper maintenance wood shake asphalt shingle and concrete tile roofs are known to last only 20.
To achieve this kind of longevity immediately replace any broken slate tiles you see.
Walsh highlights that natural slates have a service life of greater than 100 years.
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.
After a detailed research walsh exposed natural slate including cupa 3 to different weather conditions.
As a result geologist emphasizes natural slate durability to last over a century.
For fibre cement roof slates the life expectancy is a little shorter at around 50 60 years.