Slate Roof Life Expectancy

125 to 175 years.

Slate roof life expectancy.

Materials and workmanship as well as the weather elements in your location determine the lifespan of a roof. For fibre cement roof slates the life expectancy is a little shorter at around 50 60 years. Typical life for pennsylvania slate roofs is 40 50 years. Walsh highlights that natural slates have a service life of greater than 100 years.

Natural slate is the most durable roofing material. 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. While many types of roofs last longer than 15 years some can hold up well for 50. Consequently shingles made of soft slate generally have a life expectancy of 50 to 125 years.

Slate from different mines has different average slate roof life expectancies with proper installation and regular maintenance. 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. 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.

Sliding slates failed nails and rotted roof sheathing show that this roof has not been maintained for a decade or more. Metal the international association of certified home inspectors projects metal roofing to last between 40 to 80 years. Clay tile typically lasts 40 to 60 years while slate and concrete tiles have a lifespan of 50 to 100 years. Life expectancy of ribbon slates.

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. Vermont and new york slates. 175 years or more. The metal roofing alliance gives a life expectancy of at least 40 to 60 years.

A lifespan of 80 100 years is typical for slate roofing although this can last longer if maintained well after installation. Siga 24 slate roof. 60 to 90 years. Pennsylvania or ribbon slates.

Before you decide on the purchase of a home with slate roofing learn about the age and quality of the slate.