Life Of A Slate Roof

Life expectancy of ribbon slates.

Life of a slate roof.

The roof over the main part of the house has been replaced with asphalt shingles. Walsh highlights that natural slates have a service life of greater than 100 years. Slate varies in color denseness and purity and serviceable life as a roofing material. Slate is sedimentary rock composed of compressed and hardened layers of clay or volcanic ash.

There are slate roofs today still functioning that are multiple centuries old. Certainly the roofer has to make an accurate assessment of the roof condition and to replace enough loose damaged or questionable slates such that the remaining life of the roof is not only long but also such that additional frequent costly repairs are needed. The average life of roofing. Typical life for pennsylvania slate roofs is 40 50 years.

After a detailed research walsh exposed natural slate including cupa 3 to different weather conditions. Installed properly slate roofs require relatively little maintenance and will last 60 to 125 years or longer depending on the type of slate employed roof configuration and the geographical location of the property. Some slates have been known to last over 200 years. Slate a natural metamorphic stone with a fine grain appearance is perfect for being cut into uniform roofing tiles.

Wood shingles and shakes. Roof shingles are available in asphalt compositions which are covered in crushed stone or fiberglass. 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. A slate tile roof can last a century or longer.

Asphalt and fiberglass shingles. A properly repaired slate roof is a superb and durable roof. Natural slate is the most durable roofing material. Natural slate roofs are well known to have a lifespan of hundreds of years with little to no maintenance.