As the experts at asbestos siding note it is sometimes difficult to spot because it was often manufactured to resemble different types of siding in a variety of colors and textures.
How to spot asbestos siding.
Cement asbestos wall shingles outside and not easily friable unless being demolished or cut with power tools.
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Asbestos siding removal isn t free but if you re having it replaced with something else you just might be able to get a good deal with the company you end up choosing.
It is virtually impossible for anyone but a trained professional with a high powered microscope to tell definitively whether a shingle contains asbestos.
See photos at asbestos siding in this document.
The siding specialists at pj fitzpatrick have experience identifying asbestos siding.
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.
Testing your siding for asbestos.
The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.
Damaged asbestos siding however could release the hazardous fibers that cause lung disease.
Asbestos was used to make several exterior materials.
Asbestos wasn t always added to cement siding and there s no way to tell from a visual test or physical inspection on site if siding really does have asbestos in it.
Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken.
Because fiber cement siding manufactured in north america after around 1978 was made without using asbestos in those later products and because those non asbestos fiber cement shingles included products that by eye were an exact visual match for their older asbestos containing brothers and sisters already installed a building built.
However there are ways you can determine whether it is likely that your shingles contain asbestos.
Older style cement siding shingles were traditionally made by mixing asbestos into the cement in order to fireproof and strengthen siding.
If a siding company removes an outer layer of siding and finds an older layer of asbestos cement siding beneath the standard procedure is simply to cover it over with new siding rather.
Most older cement board products contain asbestos.
Most siding companies are well experienced at techniques for covering over existing asbestos cement siding with new vinyl aluminum or fiber cement siding.
The reported costs for such projects range from 500 to 4 500 while the typical cost for asbestos siding removal is generally between 1 000 and 2 500.
However asbestos fibers can cause serious lung and respiratory problems if inhaled.
Asbestos was also put into cement used on the exterior of buildings to help insulate the.
If your siding fits either of these descriptions you should consider having it tested.
