Asbestos Siding Dates Of Usage

In the past asbestos fibers were added during the production of roofing and siding materials to strengthen them to increase their durability and to provide a limited amount of insulation and fireproofing to your home.

Asbestos siding dates of usage.

Homes built between 1920 and the 1960s are likely to contain asbestos in any cementitious siding tiles. Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement. The use of asbestos in roofing and siding materials has declined rapidly since the early 1980s. In australia asbestos cement materials were first manufactured in the 1920s and were commonly used in the manufacture of residential building materials from the mid 1940s until the late 1980s.

Asbestos has been shown to cause a number of life threatening illnesses such as mesothelioma. Cementitious siding installed after 1973 is very unlikely to contain asbestos. Between 2000 3000 b c embalmed bodies of egyptian pharaohs were wrapped in asbestos cloth to protect the bodies from deterioration. Discover how asbestos use developed through our the history of asbestos timeline.

Would be 1920 but patent disclosures and other research make clear that such products were in development and use one or two decades earlier. Gary a reasonable guess for the start of widespread use of asbestos cement siding in the u s. Cementious siding and roofing such as fiber cement siding lap siding and fiber cement roof shingles containing asbestos may then have appeared on homes constructed between 1906 and 1980 in north america and continuing later in some other countries. The use of asbestos dates back at least 4 500 years.

These materials are known as fiber cement siding and they contain no asbestos. Older stove top pads may include some asbestos and walls and floors that surround certain kinds of wood burning stoves might have asbestos paper or cement asbestos mix in them. Some friable products were also used in houses and may still be found in houses built before 1990.