Asbestos Siding 1970s

The use of asbestos house siding in new construction was discontinued in the late 1970s early 1980s but it is still present in many older homes.

Asbestos siding 1970s.

Production and use of asbestos have declined since the 1970s. Armstrong world industries inc. These organizations drafted regulations that try to limit exposures to asbestos and other toxic pollutants. Asbestos tile 1931 1970 asbestos floor tiles 1931 1970 accobest as 474 gasketing material.

When used as a siding asbestos fibers were mixed with portland cement and pressed together to form what we know as asbestos siding. Asbestos has been used to make products strong long lasting and fire resistant. We include research articles as well as patent citations that help trace the use of asbestos cement in and on buildings from the late 1800 s to the present. Asbestos may be found in.

Due to its durable nature it never rots or decomposes and is impervious to termites and ants it s not uncommon to find asbestos siding that is more than 50 years old and in perfect condition. Asbestos are fibrous minerals that contain thin long fibers which occur naturally. This happens when the siding is cut or broken. Accobest as 8073 gasketing material.

This type of siding was manufactured up to the late 70 s until it was deemed to be a health risk. 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. Environmental protection agency epa. If the fibers become airborne they could pose a health hazard for people around.

Before 1990 asbestos was mainly used for insulating buildings and homes against cold weather noise and for fireproofing. Asten hill manufacturing company 1945 1975 asbestos felt. However in the 1970s the government set up agencies like the occupational safety and health administration osha and the u s. Asbestos cement roofing siding history dates codes patents give a history of cement asbestos siding roofing product use.

Limpet lw25 raw asbestos fiber 1960 1973 lk pipe covering. The name has its origin in the greek word for inextinguishable. Asbestos is actually safe unless inhaled. This article gives a history of the production use of asbestos cement roofing siding products.

Accopac ad 8024 asbestos paper. The siding was made by combining cement with asbestos which is a naturally occurring mineral that is fibrous in nature and fireproof. A highly effective and inexpensive fire retardant material and thermal and acoustic insulator asbestos was used extensively in home construction from the early 1940s through the 1970s.