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300px-FAC-roof-sheeting

Weathering of fibrous asbestos sheeting showing loose fibers.

About[]

Many older buildings contain asbestos, which was used in spray-applied flame retardant, thermal system insulation, and in a variety of other materials. Asbestos was sometimes "flocked" above false ceilings, inside technical ducts, and in many other small spaces where firefighters would have difficulty gaining access. Structural components like asbestos panels were also used. In residences, asbestos was often a component of a type of flocked acoustic ceiling called "popcorn ceiling" or "cottage cheese ceiling", until its production was banned in the U.S. in 1978. However, the ban allowed installers to use up remaining stocks, so houses built as late as 1986 could still have asbestos in their acoustic ceilings. The only way to be sure is to remove a sample and have it tested by a competent laboratory.[1]

References[]

  1. US Environmental Protection Agency. Asbestos. April 18, 2011. [1]


Links[]


See also[]

Asbestos

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