Asbestos Cement Board Siding

Patent 2 818 824 issued january 7 1958.

Asbestos cement board siding.

Remember asbestos is a problem only if fibers are released to the air. Cementious siding and roofing such as fiber cement siding lap siding and fiber cement roof shingles containing asbestos may then have appeared on homes constructed between 1906 and 1980 in north america and continuing later in some other countries. Sometimes it is possible to work around asbestos without removing it. Asbestos cement siding is very brittle and can be easily chipped cracked or broken.

Unless cement asbestos board siding is being disturbed it will not release asbestos fibers. He discovered how asbestos could help reinforce thin shingles made from cement. Weatherside fiber cement siding is the one and only solution for replacing or repairing old asbestos siding shingles. The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.

It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. This patent describing rolled asbestos cement board or shingle siding illustrates the characteristic and popular wood grain like embossed finished surface on these 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. 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.

Exposure to and breathing asbestos fibers can result in lung problems and cancer. Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc. 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. Asbestos cement siding is very brittle and can be easily chipped cracked or broken.

Hence the safest easiest and least expensive option may be to leave it alone. Asbestos cement board siding and shingle. According to merriam webster asbestos cement is. The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.