Slate Roof Life Expectancy

Vermont and new york slates.

Slate roof life expectancy.

Some slaters inform us that when they see the efflorescence marks on slates having nearly completely covered the slate they guess that the slate is near the end of its life. Walsh highlights that natural slates have a service life of greater than 100 years. The metal roofing alliance gives a life expectancy of at least 40 to 60 years. For fibre cement roof slates the life expectancy is a little shorter at around 50 60 years.

Metal the international association of certified home inspectors projects metal roofing to last between 40 to 80 years. This can vary depending on the manufacturer. 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. Before you decide on the purchase of a home with slate roofing learn about the age and quality of the slate.

Consequently shingles made of soft slate generally have a life expectancy of 50 to 125 years. Siga 24 slate roof. These life expectancies are general experience with the material and do not consider installation or environmental factors which vary from one building to the next. Natural slate is the most durable roofing material.

As a result geologist emphasizes natural slate durability to last over a century. 60 to 90 years. Granted soft slate still has the same weather resistant and fireproof qualities of its harder counterpart. Pennsylvania or ribbon slates.

While many types of roofs last longer than 15 years some can hold up well for 50. Materials and workmanship as well as the weather elements in your location determine the lifespan of a roof. 125 to 175 years. 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. Slate from different mines has different average slate roof life expectancies with proper installation and regular maintenance. 175 years or more. Life expectancy of ribbon slates.

Typical life for pennsylvania slate roofs is 40 50 years.