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 tiles lifespan.
For fibre cement roof slates the life expectancy is a little shorter at around 50 60 years.
On the other hand even with proper maintenance wood shake asphalt shingle and concrete tile roofs are known to last only 20.
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.
There are slate roofs today still functioning that are multiple centuries old.
The added bonus that slate provides is a longevity that most other roof materials cannot compete with.
As a result geologist emphasizes natural slate durability to last over a century.
Make sure that all flashings are correctly installed and in good working order.
Natural slate is the most durable roofing material.
Flat roofs the lifespan of a flat roof depends on the material covering it.
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.
Clay tile typically lasts 40 to 60 years while slate and concrete tiles have a lifespan of 50 to 100 years.
After a detailed research walsh exposed natural slate including cupa 3 to different weather conditions.
This is a roof that can easily last 100 years or and far more.
Life expectancy of pennsylvania roofing slate.