Typical roof wear or failure patterns are either failure of the shingle fasteners or broken and falling shingles.
Asbestos siding life expectancy.
The typical life expectancy of an cement asbestos shingle roof was given as 30 years.
You can expect asbestos cement siding to last 80 years or more.
The typical life expectancy of an cement asbestos shingle roof a system that used very similar materials to cement asbestos wall shingles was given as 30 years but we ve seen these roofs that were now 50 years old in good condition.
It was used extensively from the 1940s through the 60s but not produced after the ban by the epa on construction products that contain asbestos in 1973.
Asbestosis is a chronic condition caused by inhaling asbestos which affects the lungs.
The tissue of the lungs become scarred and damaged leading to difficulties in breathing.
Patients with stage iv mesothelioma usually do not live more than a year after diagnosis.
It is known that chrysotile asbestos causes asbestosis and this is one of the six different types of asbestos.
Your body weakens as you age and takes longer to heal.
But we have seen these roofs that were now 50 years old in good condition.
Long lasting the early versions of asbestos shingles were specifically designed to have long lasting quality as such it can last up to 30 50 years in the same lifespan with the most durable and long lasting materials in the market.