Life Expectancy Of Asbestos Roof Shingles

They are difficult to repair and replacement shingles are hard to obtain.

Life expectancy of asbestos roof shingles.

They were also valued for being lightweight which significantly reduced the costs involved with shipping and installation. While not able to match the endurance of slate asbestos shingles were expected to last a minimum of 30 years enhancing their desirability. But we have seen these roofs that were now 50 years old in good condition. The latency period of asbestosis can be very long with most people developing symptoms between seven and 20 years after exposure.

In all likelihood your roof is covered with asphalt shingles. Estimating asbestos roof shingles life expectancy common advantages of asbestos cement roof shingles. Maintenance asbestos cement shingles are somewhat brittle. Asbestos cement shingles are brittle and are susceptible to mechanical damage.

Fire resistant asbestos cement roofing is prevalent in communities. The roof may need. You ll pay 250 to 600 per square for a wood shingle roof and warranties run up to 30 years. The typical life expectancy of an cement asbestos shingle roof was given as 30 years but we have seen these roofs that were now 50 years old in good condition.

The typical life expectancy of an cement asbestos shingle roof was given as 30 years. Whereas in the north and northeastern regions of the united states asphalt shingles last anywhere from 19 to more than 20 years. They often discolor and promote the growth of fungus or moss. But there are also four factors that can shorten the life expectancy.

They are installed in a similar way as slate. They have a life expectancy of about 12 to 15 years. There are no invincible roof shingles although. Your roof will spend its entire working life outdoors where it s subject to a variety of weather conditions pests and the damage they can create as well as plain ol aging.

Typical roof wear or failure patterns are either failure of the shingle fasteners or broken and falling shingles. A wood shingle roof should be inspected annually and any split shingles should be promptly replaced. Insurance many insurance companies will not write a policy on a home with an asbestos cement roof. Typical roof wear or failure patterns are either failure of the shingle fasteners or broken and falling shingles.