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EPA Warns Remodelers About Vermiculite Insulation
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Typical vermiculite insulation. | Remodelers working in homes with vermiculite insulation should assume this material may be contaminated with asbestos and be aware of steps they can take to protect themselves from exposure, according to recent guidance issued by the U.S. Environmental Protection Agency.
The EPA recommends that remodelers working in homes with vermiculite insulation should leave the insulation in the walls undisturbed whenever possible. If the renovation project requires that the insulation must be removed, the EPA recommends that a professional asbestos contractor should be brought in to do the work.
The guidance was issued earlier this month when the EPA launched a renewed public awareness campaign to notify the industry and public about vermiculite insulation and its potential to be contaminated with asbestos fibers.
Vermiculite, a naturally-occurring mineral composed of shiny flakes that resembles mica, expands as much as eight to 30 times its original size when heated. The expanded vermiculite is a light-weight, fire-resistant and odorless material that has been used in attic and wall insulation.
The majority of vermiculite used in insulation was mined near Libby, Mont., and sold under the brand name Zonolite. The Libby site was added to EPA's National Priorities List in October 2002.
Under the latest guidance, EPA is warning remodelers and home owners to:
- Leave vermiculite insulation undisturbed in attics or in walls.
- Do not store boxes or other items in an attic with vermiculite insulation.
- Do not allow children to play in an attic with vermiculite insulation.
- Do not attempt to remove the insulation yourself.
- Hire a professional asbestos contractor if planning to remodel or renovate areas that would disturb the vermiculite in attics or walls to make sure the material is safely handled and removed.
Remodelers and home owners can download the free guidance document, "Protect Your Family From Asbestos-Contaminated Vermiculite Insulation," which includes health, worker safety and product information about vermiculite insulation.
EPA also has additional information on its Web site, including a Spanish-language version of the guidance document, at www.epa.gov/asbestos/pubs/verm.html.
For information, e-mail Tom Simons of the EPA’s National Program Chemicals Division, or call him at 202-566-0517.
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