Cement Asbestos Board Siding
The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.
Cement asbestos board siding. According to merriam webster asbestos cement is. Fiber cement is a composite material made of cement reinforced with cellulose fibers. Asbestos cement board siding and shingle. Unless cement asbestos board siding is being disturbed it will not release asbestos fibers.
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. However if asbestos containing siding must be. It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. Asbestos cement siding is very brittle and can be easily chipped cracked or broken.
This publication is limited to the removal of cement asbestos board siding one of the three most common asbestos abatement projects attempted by homeowners. 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. 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. 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.
Exposure to and breathing asbestos fibers can result in lung problems and cancer. Click to enlarge any image read clinton i and francis h. Originally asbestos was used as the reinforcing material but due to safety concerns that was replaced by cellulose in the 1980s. Remember asbestos is a problem only if fibers are released to the air.
Asbestos siding is composed of asbestos fibers mixed with portland cement. Fiber cement siding has several benefits since it is re. Fiber cement board may come pre painted or pre stained or can be done so after its installation. Hence the safest easiest and least expensive option may be to leave it alone.
Patent 2 818 824 issued january 7 1958. Sometimes it is possible to work around asbestos without removing it. Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc. Fiber cement siding is a building material used to cover the exterior of a building in both commercial and domestic applications.
He discovered how asbestos could help reinforce thin shingles made from cement. For more information contact dnrec aqm. It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years.