Slate Roof Life Expectancy

Typical life for pennsylvania slate roofs is 40 50 years.

Slate roof life expectancy.

60 to 90 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. Life expectancy of ribbon slates.

Pennsylvania or ribbon slates. The metal roofing alliance gives a life expectancy of at least 40 to 60 years. As a result geologist emphasizes natural slate durability to last over a century. For fibre cement roof slates the life expectancy is a little shorter at around 50 60 years.

Natural slate is the most durable roofing material. 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. Vermont and new york slates.

Walsh highlights that natural slates have a service life of greater than 100 years. 125 to 175 years. Materials and workmanship as well as the weather elements in your location determine the lifespan of a roof. 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.

This can vary depending on the manufacturer. Metal the international association of certified home inspectors projects metal roofing to last between 40 to 80 years. 175 years or more. Slate from different mines has different average slate roof life expectancies with proper installation and regular maintenance.

Sliding slates failed nails and rotted roof sheathing show that this roof has not been maintained for a decade or more. Before you decide on the purchase of a home with slate roofing learn about the age and quality of the slate. A lifespan of 80 100 years is typical for slate roofing although this can last longer if maintained well after installation. 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.

100 to 200 years.