Asbestos was mixed into the cement as a binder.
Did certainteed make asbestos siding.
Certainteed phased out the use of asbestos in its products around 1990.
Certainteed made and sold the asbestos cement pipe and roofing materials from the mid 1960s until 1992 according to the filings but alleges those products posed limited exposure risk because the.
However until the 1980s many of these products were made with asbestos.
If your siding fits either of these descriptions you should consider having it tested.
During this time asbestos was an affordable mineral that was added to many construction materials to make them stronger and resistant to heat.
Certainteed corporation created a variety of asbestos products including roof shingles cement and pipes.
Certainteed began using asbestos in its products in the 1930s only ceasing use in the 1980s.
These shingles are generally 12 by 24 inches and the bottom tends to have a wave like pattern though that is not always the case.
Vermont asbestos 7m insulating cement 1950 1975 vermont asbestos fibers.
Dbmp llc an affiliate of building materials maker certainteed llc filed for bankruptcy on thursday in north carolina citing tens of thousands of unresolved asbestos related claims tied to.
Certainteed asbestos roof coating 1930 1982 certainteed asbestos cement pipe 1962 1992 certainteed cold process cement 1940 1967.
For more than fifty years the company made and distributed products with asbestos.
Vermont asbestos grade 115 raw asbestos fiber.
Testing your siding for asbestos.
The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.
Historically certainteed was a major manufacturer of asbestos cement pipes for water utilities for many decades.