Monday, November 03, 2008

What Is Asbestos?

This article is about the properties of asbestos and what to do if it is found in a home. We hope that this information is useful and we appreciate the opportunity to relate information about homes to you.
What Is Asbestos?
Asbestos is a mineral fiber found in rocks, of naturally occurring silicate minerals that can be separated into fibers. There are several kinds of asbestos fibers, all of which are fire resistant and not easily destroyed or degraded by natural processes. The fibers are strong, durable, and resistant to heat and fire. They are also long, thin and flexible, so that they can even be woven into cloth, because of these qualities, asbestos has been used in thousands of consumer, industrial, maritime, automotive, scientific and building products. The above photo shows a typical asbestos insulated heating pipe found in older homes. During the twentieth century, some 30 million tons of asbestos have been used in industrial sites, homes, schools, shipyards and commercial buildings in the United States. There are several types of asbestos fibers, of which three have been used for commercial applications: (1) Chrysotile, or white asbestos, comes mainly from Canada, and has been very widely used in the US. It is white-gray in color and found in serpentine rock. (2) Amosite, or brown asbestos, comes from southern Africa. (3) Crocidolite, or blue asbestos, comes from southern Africa and Australia.
Is Asbestos Dangerous?
Asbestos has been shown to cause cancer of the lung and stomach according to studies of workers and others exposed to asbestos. There is no level of exposure to asbestos fibers that experts can assure is completely safe. Some asbestos materials can break into small fibers which can float in the air and these fibers can be inhaled. The tiny fibers are so small they can not be seen with the naked eye. They can pass through the filters of normal vacuum cleaners and get back into the air. Once inhaled, asbestos fibers can become lodged in tissue for a long time. After many years cancer or mesothelioma can develop.
How To Tell If Asbestos Is In A Home.
People who have frequently worked with asbestos (such as plumbers, building contractors or heating contractors) often are able to make a reasonable judgment about whether or not a material contains asbestos on a visual inspection. Many professional home inspectors also can make a reasonable visual judgment. To be absolutely certain, an industrial hygienist would have to make the identification.
What To Do About Asbestos In The Home.
In most cases, asbestos containing materials are best left alone. When it is necessary to disturb asbestos, you should contact a licensed asbestos contractor. You can also obtain a copy of Asbestos in the Home published by the U.S. Consumer Products Safety Commission (800- 638-2772) which discusses the situation and makes recommendations. Remember, do not dust, sweep, or vacuum particles suspected of containing asbestos fibers.

For more information about asbestos, visit our website at http://www.rinehartinspections.com and click "Useful Information."
email: g_rinehart@hotmail.com
phone: (206) 901-1549

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