Asbestos was also put into cement used on the exterior of buildings to help insulate the.
Does cement board siding contain asbestos.
Both the epa and the vinyl siding institute recommend not disturbing asbestos if at all possible.
Most older cement board products contain asbestos.
Unless asbestos siding is disturbed it doesn t pose a significant health hazard and does not need to be removed.
Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne.
If your siding contains asbestos are you sure you really want to remove it.
Fiber cement siding is sometimes confused with asbestos cement siding a shingle format type of siding widely used in the first half of the 20th century and which has since been discontinued.
If your siding fits either of these descriptions you should consider having it tested.
Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken.
Testing your siding for 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.
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.
This patent describing rolled asbestos cement board or shingle siding illustrates the characteristic and popular wood grain like embossed finished surface on these products.
Cement asbestos board siding.
While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding.
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.
There is no legal requirement to do so nor is there significant real estate benefit.
Asbestos cement roof ing is described just below and cement wallboard and cement siding containing asbestos are described later in this document.
If you suspect that your siding may contain asbestos there is no need for alarm.
Cementitious siding installed after 1973 is very unlikely to contain asbestos.
Hence the safest easiest and least expensive option may be to leave it.
Patent 2 818 824 issued january 7 1958.
Fiber cement siding is long lasting and low maintenance not everlasting and maintenance free.
These materials are known as fiber cement siding and they contain no asbestos.
Unless cement asbestos board siding is being disturbed it will not release asbestos fibers.
Installing vinyl siding will require disturbing the asbestos by nailing into it.
Remember asbestos is a problem only if fibers are released to the air.
Asbestos was used to make several exterior materials.
Asbestos cement board siding and shingle.
