Asbestos Cement Siding Shingles

Those same asbestos fibers that were being added.

Asbestos cement siding shingles.

If it is a problem there are two types of corrections. Let the siding dry then prime and paint with the best exterior latex you can find. It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. 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.

Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials. It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. Repair and removal. This article gives a history of the production use of asbestos cement roofing siding products.

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 the asbestos material is in good shape and will not be disturbed do nothing. The use of asbestos cement roof shingles was growing at a steady rate in the united states. Asbestos cement roofing siding history dates codes patents give a history of cement asbestos siding roofing product use.

A brief history of asbestos cement siding. Asbestos shingles are relatively strong but. 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 cement is a mixture of portland cement reinforced with asbestos fibers.

Asbestos health concerns unfortunately though there was a lurking problem with asbestos that took decades to confirm. 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 siding was made by combining cement with asbestos which is a naturally occurring mineral that is fibrous in nature and fireproof. Asbestos was added to the cement because of its fire retardant properties as well as to add strength and durability to the siding shingles as well as insulating capacity.

Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely. Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s. 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.