Asbestos Siding 1950

Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely.

Asbestos siding 1950.

China glaze was a trademarked name for a cement asbestos siding shingle filed by u s. 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. The product first made in 1905 served as a coating for boilers steam pipes and equipment that generated heat. House built 1950 in old houses.

The harmful effects of asbestos were beginning to be acknowledged and the introduction of asphalt based roofing products began dominating in the late 1950s. Questions answers about asbestos cement siding on buildings. These houses have a great charm about them. The portland cement binds asbestos fibers into a hard mass.

Let the siding dry then prime and paint with the best exterior latex you can find. What to expect when buying a house built in the 1950 s. Asbestos shingles are relatively strong but. Gypsum and trademarked in 1962.

The neighborhoods are well established and these homes are often more affordable than a newer house in a newer development. Asbestos cement roofi ng and siding in the early 1900s manufacturers reinforced portland cement with asbestos fibers to create a fire resistant and durable building material. The name has its origin in the greek word for inextinguishable. A brief history of asbestos cement siding.

The epa asbestos web site contains general information on asbestos sources exposure and health effects what to do if you suspect asbestos training and laws and regulations. Method of making color ornamented asbestos cement sheets pdf u s. Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s. Asbestos cement is a mixture of portland cement reinforced with asbestos fibers.

Asbestos cement coatings also were used. Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials. History of asbestos cement siding roofing products. What you should know about buying a house built in the 1950 s.