Did Certainteed Make Asbestos Siding

These products included cement sheets cement pipes plastic cement sealing cement cold process cement acoustical plaster roof coating and joint treating compound.

Did certainteed make asbestos siding. Certainteed corporation created a variety of asbestos products including roof shingles cement and pipes. 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. The company quickly grew as a premier manufacturer of asphalt shingles and expanded their production into other construction products. During this time asbestos was an affordable mineral that was added to many construction materials to make them stronger and resistant to heat.

Testing your siding for asbestos. For more than fifty years the company made and distributed products with asbestos. If your siding fits either of these descriptions you should consider having it tested. Vermont asbestos grade 115 raw asbestos fiber.

Certainteed phased out the use of asbestos in its products around 1990. Certainteed asbestos roof coating 1930 1982 certainteed asbestos cement pipe 1962 1992 certainteed cold process cement 1940 1967. Certainteed began using asbestos in its products in the 1930s only ceasing use in the 1980s. Vermont asbestos 7m insulating cement 1950 1975 vermont asbestos fibers.

However until the 1980s many of these products were made with asbestos. Asbestos was mixed into the cement as a binder. Historically certainteed was a major manufacturer of asbestos cement pipes for water utilities for many decades. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.