Asbestos removal:
Homeowners
with acoustic asbestos ceiling question about the effects of asbestos
contained within its materials that if inhaled would cause serious
health hazards.
If
material contains more than 1% of asbestos, EPA defines as it's
containing. However, asbestos can only be positively identified by
microscope. Many of the homes built prior to 1980s observe acoustic
asbestos ceilings, and the removal of acoustic asbestos ceiling has
become commonly done for environmental safety precautions.
Many
homes contain acoustic asbestos ceiling in their bedrooms, living
rooms, with spray-applied textures. However, asbestos materials are also
in pipe insulation, shingles, floor tile, mastics, roofing, structural
steel fireproofing, etc.
University of Arizona Dept. of Risk Management and Safety explains the hazards of asbestos in the following manner.
"Asbestos
is a respiratory hazard and espiratory/gastrointestinal carcinogen.
Exposure to asbestos occurs when reparable fibers are released into the
air and then inhaled. Since exposure occurs when asbestos is inhaled,
the best way to prevent exposure is to prevent asbestos fibers from
becoming airborne.
Asbestos
containing materials are therefore divided into two categories: friable
and non-friable. Friable means that a material is able to be reduced to
powder by hand pressure. Asbestos containing materials that are
friable, by their nature, have a much greater tendency to release
fibers. They require specific control measures to prevent releasing
fibers into the air. Conversely, non-friable asbestos containing
materials, by their nature, do not want to give up their fibers into the
air. This class of materials must be mechanically impacted (power tools
such as sanders, drills, chippers, saws, etc.) to release fibers.
Asbestos containing textured ceiling materials is a friable material."
Is Asbestos Ceiling Removal Hazardous?
Although
breathing of asbestos fibers post threats to human health, unless air
contamination occurs to cause releasing of asbestos airborne and becomes
friable, it would not affect environment. Moreover, several layers of
paint applied to the ceiling over the years serves to “seal” acoustic
asbestos ceiling and withhold materials from dangerously contacting
occupants.
Homeowners
should not unnecessarily impact the ceiling by placing fixtures onto
the ceiling or by moving objects surrounding the environment. When done
improperly, asbestos becomes into airborne and increases the risk of
releasing its fibers to be inhaled. Because asbestos fibers are small
and light, they can be suspended in the air for long periods of time.
Therefore, unprofessional management of acoustic asbestos ceiling
removal should not be preceded and a licensed asbestos abatement
professional must conduct removal.
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