Does Cement Board Siding Contain Asbestos

Asbestos was also put into cement used on the exterior of buildings to help insulate the.

Does cement board siding contain asbestos.

Testing your siding for asbestos. Asbestos was used to make several exterior materials. This patent describing rolled asbestos cement board or shingle siding illustrates the characteristic and popular wood grain like embossed finished surface on these products. Most older cement board products contain asbestos.

These materials are known as fiber cement siding and they contain no asbestos. Installing vinyl siding will require disturbing the asbestos by nailing into it. Both the epa and the vinyl siding institute recommend not disturbing asbestos if at all possible. Fiber cement siding does not contain asbestos.

Cement asbestos siding tiles do not need to be removed simply because they contain asbestos. And cement asbestos board siding as well as undersheeting. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar. Fiber cement siding is long lasting and low maintenance not everlasting and maintenance free.

Although some of the earlier versions of fiber cement siding did indeed have some asbestos particles blended in fiber cement was actually designed to replace the asbestos siding products to create a safer environment for the installers and the. There is no legal requirement to do so nor is there significant real estate benefit. Remember asbestos is a problem only if fibers are released to the air. Asbestos cement roof ing is described just below and cement wallboard and cement siding containing asbestos are described later in this document.

Cement asbestos board siding. Cementitious siding installed after 1973 is very unlikely to contain asbestos. These shingles are generally 12 by 24 inches and the bottom tends to have a wave like pattern though that is not always the case. While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding.

Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne. Asbestos cement board siding and shingle. Unless asbestos siding is disturbed it doesn t pose a significant health hazard and does not need to be removed. If you suspect that your siding may contain asbestos there is no need for alarm.

Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken. Complete details about asbestos cement history composition products and hazards are found. Patent 2 818 824 issued january 7 1958. If your siding fits either of these descriptions you should consider having it tested.

Unless cement asbestos board siding is being disturbed it will not release asbestos fibers.