Slate Roof Life Expectancy

Metal the international association of certified home inspectors projects metal roofing to last between 40 to 80 years.

Slate roof life expectancy.

Sliding slates failed nails and rotted roof sheathing show that this roof has not been maintained for a decade or more. Consequently shingles made of soft slate generally have a life expectancy of 50 to 125 years. While many types of roofs last longer than 15 years some can hold up well for 50. Typical life for pennsylvania slate roofs is 40 50 years.

The metal roofing alliance gives a life expectancy of at least 40 to 60 years. Vermont and new york slates. Clay tile typically lasts 40 to 60 years while slate and concrete tiles have a lifespan of 50 to 100 years. As a result geologist emphasizes natural slate durability to last over a century.

175 years or more. For fibre cement roof slates the life expectancy is a little shorter at around 50 60 years. Slate from different mines has different average slate roof life expectancies with proper installation and regular maintenance. After a detailed research walsh exposed natural slate including cupa 3 to different weather conditions.

60 to 90 years. A lifespan of 80 100 years is typical for slate roofing although this can last longer if maintained well after installation. Pennsylvania or ribbon slates. 125 to 175 years.

100 to 200 years. Life expectancy of ribbon slates. Granted soft slate still has the same weather resistant and fireproof qualities of its harder counterpart. Natural slate is the most durable roofing material.

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. 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.

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