Walsh highlights that natural slates have a service life of greater than 100 years.
Slate roof tiles lifespan.
Life expectancy of pennsylvania roofing slate.
Flat roofs the lifespan of a flat roof depends on the material covering it.
Typical life for pennsylvania slate roofs is 40 50 years.
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.
There are slate roofs still in operation that literally date back to shakespeare s time.
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.
Natural slate is the most durable roofing material.
With proper maintenance such an asset may be continued for an indefinite period.
To achieve this kind of longevity immediately replace any broken slate tiles you see.
Siga 24 slate roof.
For fibre cement roof slates the life expectancy is a little shorter at around 50 60 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.
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.
Slate roof lifespan natural slate roofs are well known to have a lifespan of hundreds of years with little to no maintenance.