Asbestos Cement Board Siding

According to merriam webster asbestos cement is.

Asbestos cement board siding.

Asbestos cement is a mixture of portland cement reinforced with asbestos fibers. Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials. This article gives a history of the production use of asbestos cement roofing siding products. 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.

Read s 1958 patent for asbestos cement siding that is prepared with a colored and embossed or patterned surface resembling wood shingles or wood board siding. Click to enlarge any image read clinton i and francis h. A brief history of asbestos cement siding. 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 roofing siding history dates codes patents give a history of cement asbestos siding roofing product use. Asbestos siding is composed of asbestos fibers mixed with portland cement. The portland cement binds asbestos fibers into a hard mass. It is very brittle and has a tendency to crack and break when nailed which can release asbestos fibers into both the air and ground.

Asbestos cement genericized as fibro or fibrolite short for fibrous or fibre cement sheet and ac sheet is a building material in which asbestos fibres are used to reinforce thin rigid cement sheets. Patent 2 818 824 issued january 7 1958. It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. What is asbestos cement siding.

A hardened mixture of asbestos fibers portland cement and water used in relatively thin slabs for shingles wallboard and siding asbestos siding was first introduced into the us in the early 1900 s by austrian engineer ludwid hatschek. Weatherside fiber cement siding contains no asbestos. The one and only replacement solution for matching or replacing older non existent siding pre primed and ready to paint to match your existing siding or trim. Asbestos cement board siding and shingle.

It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. Although invented at the end of the 19th century the material rose to necessity during world war ii to make sturdy inexpensive military housing and continued to be used widely.