Asbestos Cement Siding Shingles

Asbestos health concerns unfortunately though there was a lurking problem with asbestos that took decades to confirm.

Asbestos cement siding shingles.

Asbestos cement roofing siding history dates codes patents give a history of cement asbestos siding roofing product use. Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely. It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. The siding was made by combining cement with asbestos which is a naturally occurring mineral that is fibrous in nature and fireproof.

If the asbestos material is in good shape and will not be disturbed do nothing. Let the siding dry then prime and paint with the best exterior latex you can find. Weatherside fiber cement siding is the 1 and weatherside fiber cement siding is the 1 and only solution for replacing or repairing old asbestos siding shingles. The use of asbestos siding shingles was a popular one that was used in the us from the early part of the 20th century until the 1970s.

If it is a problem there are two types of corrections. A brief history of asbestos cement siding. Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials. Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s.

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. The use of asbestos cement roof shingles was growing at a steady rate in the united states. Asbestos shingles are relatively strong but. Repair and removal.

Asbestos cement roofing shingles and siding products are not likely to release asbestos fibers unless sawed dilled or cut. In the early 1920s american roofing material manufacturers johns mansville carey eternit and century were all offering at least one asbestos cement roofing shingle to their customers. The portland cement binds asbestos fibers into a hard mass. Asbestos cement is a mixture of portland cement reinforced with asbestos fibers.

This article gives a history of the production use of asbestos cement roofing siding products. It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. Those same asbestos fibers that were being added.