A response to the EPA's Pilot Study on Vermiculite Attic Insulation with comments about EPA's approach and bias. ... The EPA does not know, or cannot calculate how often and for what periods of time a person would need to be exposed to vermiculite to be at risk for anything.) ... The Schundler Company 150 Whitman Avenue Edison, New Jersey 08817 ...
Apr 26, 2014· Bad move, the fear factor and uncertainty are sure to follow. There is a distinct possibility that the vermiculite insulation doesn't contain asbestos and it is important to know that not all vermiculite insulation produced contained asbestos fibres. Attics are generally designed to be a separate space from the heated living area of a home.
Vermiculite is a micalike mineral that was used as insulation in many houses and commercial buildings (sometimes marketed as "zonolite") between 1920 and the early 1990s. When heated, it expands like "popcorn" into a loose, lightweight material that is absorbent, fireproof, and a good insulator.
VERMICULITE ASBESTOS What is it? Where does it come from? Vermiculite is a mineral used in construction ( insulation), consumer (, potting soil) and industrial products (, brake lining/shoe) that is not known to have any serious health effects. Most of the vermiculite used in the US prior to the 1990s came from one mine in Libby ...
The EPA asbestos web site contains general information on asbestos sources, exposure and health effects, what to do if you suspect asbestos, training, and laws and regulations.
Jul 17, 2013· We are matching Home Depot's shelf price even though their bag of vermiculite is medium grade as you know.and a less expensive product. The biggest problem goes right back to shipping.and just that small amount of light weight vermiculite costs .
Jul 31, 2008· Homeowners with vermiculite insulation should take a moment to visit that web site. I will be letting my St. Louis area home inspection clients know about this situation, as well. To determine if you have vermiculite insulation, I'd suggest that you compare it to some photographs. Vermiculite has fairly distinctive features. Continue reading →
expanded vermiculite is a lightweight, fireresistant, absorbent, and odorless material. These properties allow vermiculite to be used to make numerous products, including attic insulation. Do I have vermiculite insulation? Vermiculite can be purchased in various forms for various uses. Sizes of vermiculite products range
Jul 25, 2018· Well, here's what you need to know. From the 1920s to the late 1960s, vermiculite was a very common insulation; it was verminproof, fireproof and a good insulator. Here's the issue. The vast majority of vermiculite used in Saskatchewan was mined from Libby Montana, our closest supplier. What we know now is that mine also had asbestos mixed in it.
Apr 17, 2006· I'm renovating my house (built 1912) and I discovered vermiculite insulation in the ceiling above the kitchen. Since some vermiculite contains asbestos, I brought it in to get tested. The lab says that they couldn't see any asbestos in the sample (about a cup) that I gave them. ... If you know your market and you can stomach the risk, there ...
Vermiculite insulation was often poured inside concrete block or woodframed walls, and spread between attic rafters or under floors. What to Do if You Find Vermiculite Insulation in Your Home . First and foremost, if you find vermiculite insulation in your home, do not disturb it, as asbestos is only a danger when it becomes airborne.
Aug 07, 2018· I don't know about asbestos, but I do know that vermiculite is a natural resource and is mined heavily in my part of the country. I had two vermiculite mines as customers and I never saw any protective gear. Vermiculite is also used in potting mediums for plants. We mixed it .
The mineral vermiculite has been mined for years for use in insulation and gardening. However, it has come to the attention of health and safety regulators that when mined, vermiculite tends to include asbestos fibers, which, when disturbed, float loosely around in the air and enter the lungs.
Feb 01, 2013· In most cases, vermiculite insulation can remain undisturbed and it will not release asbestos into the air. Still, it is best to exercise extreme caution if you know that areas of your home contain vermiculite insulation. For more information on vermiculite and asbestos, you can contact environmental officials in your area.
Mar 17, 2011· Asbestos in vermiculite insulation, as with asbestos in many other things, is safe if left undisturbed but, if you must disturb it in any way, you will have to bare the cost of asbestos abatement. That can be hugely expensive. I have a very good friend .
Apr 24, 2017· Because of its inert chemical nature, compressibility, low density and heat resistance, vermiculite is used in a variety of ways. It is used in friction materials like car brake linings, as a soil amendment that improves aeration while retaining moisture, in packaging material (for protecting expensive china, for instance), heat and fireresistant coatings and in construction for things like ...
the asbestos, not vermiculite. If you have vermiculite insulation, it is impossible to know if it came from the Libby mine. Since most of the world's supply came from that mine, chances are high your vermiculite is from this source. Authorities have known for some time that vermiculite from the Libby mine contained a small amount of asbestos ...
Sep 08, 2008· "In 2008 we added 8 inches of blown cellulose insulation on top of the original 6 inches of vermiculite." This does two things. It informs the buyer that vermiculite is present, and also lets them know that you improved the home by adding insulation and by covering the vermiculite.
Vermiculite from the Libby mine in Montana is known to contain high levels of amphibolic asbestos. Extracted from the mine between 1920 and 1990, this vermiculite insulation was sold mainly, but not exclusively, under the trademark Zonolite® Attic Insulation.
May 27, 2008· material with asbestos in it (vermiculite, vent insulation, drywall compound, flooring, ceiling tiles). However, this is not a common practice, and is not usually enforced. A couple of other things to keep in mind:We (home inspectors) are starting to hear rumblings that some insurance companies are starting to question vermiculite insulation.
Dec 05, 2017· Vermiculite screeds are prized for their thermal insulation, noncombustibility, and the ease with which they can be mixed together and applied. When used as a roof screed, vermiculite is mixed with cement at a ratio of 8:1, and when used as a floor screed at a ratio of 6:1, it is then usually protected with a sand and cement coating.