How Long Will An Asbestos Roof Last

There is more information about asbestos roofs in the slate roof bible.

How long will an asbestos roof last.

In the early 1920s american roofing material manufacturers johns mansville carey eternit and century were all offering at least one asbestos cement roofing shingle to their customers. Due to its fantastic thermal qualities and being extremely fire retardant it is not surprising that asbestos was extensively used in roofing and insulation in the 20 th century. There are at least three types of asbestos shingles. Asbestos is an excellent electrical insulator and is highly heat.

How long do asbestos roofs last. The use of asbestos cement roof shingles was growing at a steady rate in the united states. Do they need maintenance. This type of roofing material can have various colors from different shades of grey to red green and even blue.

The roof was in excellent condition for long but over the past few months there were a few incidents of tree branches falling on the roof during heavy winds causing small portions of the roof on the edges to break off. Cement sheets are one of the most commonly used roofing products that the mineral is found in and there are still a large number of. Let s break it down. Is it a major health concern to live in a home with asbestos on it.

Neither question has an easy answer because both depend on a number of variables. It is not unreasonable to expect 100 years from a properly maintained asbestos roof. Asbestos cement in roofing. How long do they last.

Manufacturers used to make shingles that would last 40 years but those shingles were made using asbestos which is not used any longer. They can last for more than 40 years and if undamaged they pose little risk of exposure. This is one of the most common questions we get asked by clients as well as how much does it cost to replace a roof. The house is 60 years old could this be original.

æ s ˈ b ɛ s t ə s or æ s ˈ b ɛ s t ɒ s is a term used to refer to six naturally occurring silicate minerals all are composed of long and thin fibrous crystals each fibre being composed of many microscopic fibrils that can be released into the atmosphere by abrasion and other processes. Asbestos cement roof tiles are usually square shaped and their color is a combination of grey and black. By the time the roof that you saw was installed cement asbestos roofing and siding was well known in the building industry as a durable inexpensive material used to cover and.