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Asbestos siding first used.
Theophrastus was successor to aristotle in the peripatetic school in greece.
It was used extensively in construction projects until the 1970s when it was banned owing to the health dangers it posed.
Gary a reasonable guess for the start of widespread use of asbestos cement siding in the u s.
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.
Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement.
Our research found that the term china glaze siding was first used in february 1957.
Asbestos is a mineral fiber that in the past was used as a flame retardant strengthening agent that provided heat insulation.
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.
Asbestos was first used in the 1930s because when mixed into building materials it offered flame resistance increased strength and insulation.
Evidence found near the lake juojärvi finland shows that people used it to make pots and other cooking utensils.
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.
Gypsum and trademarked in 1962.
In theophrastus on stones from around 300 bc there is a reference to a material that is thought to be asbestos.
However removing the asbestos siding first though more expensive is the best alternative in the long run.
Asbestos siding was very commonly used in buildings and homes from around the 1920s until the 1980s and can still be found in many older homes in the u s.
China glaze was a trademarked name for a cement asbestos siding shingle filed by u s.
So it would be reasonable to treat your siding as presumed asbestos containing material.
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