Slate Roof Longevity

Life expectancy of ribbon slates.

Slate roof longevity.

Typical life for pennsylvania slate roofs is 40 50 years. There are slate roofs still in operation that literally date back to shakespeare s time. Siga 24 slate roof for fibre cement roof slates the life expectancy is a little shorter at around 50 60 years. A slate roof will easily last over 100 years which is at least double of what other roofing materials can offer.

The added bonus that slate provides is a longevity that most other roof materials cannot compete with. Natural slate roofing that meets the s1 grade through direct independent testing by the national slate association is the highest grade slate possible and will have the longest lifespan of nearly any roofing material available. B but that doesn t apply to all roofs. What is the life expectancy of roof tiles.

A lifespan of 80 100 years is typical for slate roofing although this can last longer if maintained well after installation. Slate roofs are commonly installed on premium homes and fancy mcmansions. Walsh highlights that natural slates have a service life of greater than 100 years. To achieve this kind of longevity immediately replace any broken slate tiles you see.

A quality slate roof can last anywhere from 50 to 100 years. The biggest downside to slate tile roofs. For example the national association of home builders say that slate and tile roofs commonly last more than 50 years while asphalt roofs have a lower life expectancy of about 20 years. Clay tile typically lasts 40 to 60 years while slate and concrete tiles have a lifespan of 50 to 100 years.

Slate roofs have excellent wind uplift properties but a few pieces of slate flying off of a roof during a hurricane can be dangerous due to their weight and sharp edges. Make sure that all flashings are correctly installed and in good working order. This is a roof that can easily last 100 years or and far more. Slate tile manufacturers offer warranties ranging anywhere from 50 years to a lifetime and should a slate tile ever break it can easily be replaced.

For people who do not plan to ever sell their home the incredible longevity of slate is a highly desirable benefit. S1 rated roofing slate is warrantied to last 100 years but it s expected to last even longer. 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.