After a detailed research walsh exposed natural slate including cupa 3 to different weather conditions.
Slate roof life expectancy.
Granted soft slate still has the same weather resistant and fireproof qualities of its harder counterpart.
As a result geologist emphasizes natural slate durability to last over a century.
A lifespan of 80 100 years is typical for slate roofing although this can last longer if maintained well after installation.
The metal roofing alliance gives a life expectancy of at least 40 to 60 years.
Materials and workmanship as well as the weather elements in your location determine the lifespan of a roof.
Vermont and new york slates.
Typical life for pennsylvania slate roofs is 40 50 years.
Pennsylvania or ribbon slates.
60 to 90 years.
For fibre cement roof slates the life expectancy is a little shorter at around 50 60 years.
Walsh highlights that natural slates have a service life of greater than 100 years.
Before you decide on the purchase of a home with slate roofing learn about the age and quality of the slate.
Slate from different mines has different average slate roof life expectancies with proper installation and regular maintenance.
125 to 175 years.
Consequently shingles made of soft slate generally have a life expectancy of 50 to 125 years.
This can vary depending on the manufacturer.
While many types of roofs last longer than 15 years some can hold up well for 50.
Life expectancy of ribbon slates.
Metal the international association of certified home inspectors projects metal roofing to last between 40 to 80 years.
Slate concrete and clay tiles each of these products is rated for a life expectancy of 100 years or more by both the nahb and nachi.
175 years or more.
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.
Sliding slates failed nails and rotted roof sheathing show that this roof has not been maintained for a decade or more.
Natural slate is the most durable roofing material.