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Asbestos siding first used.
Our research found that the term china glaze siding was first used in february 1957.
However removing the asbestos siding first though more expensive is the best alternative in the long run.
Asbestos is a mineral fiber that in the past was used as a flame retardant strengthening agent that provided heat insulation.
From 1930 to 1980 asbestos was used in a number of property building.
I recommend having a certified asbestos removal contractor take the existing asbestos siding off though in many areas homeowners are allowed remove asbestos siding themselves if they follow proper precautions.
Asbestos was first used in the 1930s because when mixed into building materials it offered flame resistance increased strength and insulation.
Gypsum and trademarked in 1962.
Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement.
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Theophrastus was successor to aristotle in the peripatetic school in greece.
China glaze was a trademarked name for a cement asbestos siding shingle filed by u s.
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.
In theophrastus on stones from around 300 bc there is a reference to a material that is thought to be asbestos.
Siding material and other products using asbestos reinforced concrete continued to be sold and installed well into the early 1970s since it was believed that the process of making asbestos cement somehow neutralized the asbestos fibers.
So it would be reasonable to treat your siding as presumed asbestos containing material.
The use of asbestos dates back at least 4 500 years.
Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials.