Vermiculite - Wikipedia

The largest and oldest vermiculite mine in the United States was started in the 1920s, at Libby, Montana, and the vermiculite was sold under the commercial name Zonolite. The Zonolite brand and the mine were acquired by the W.R. Grace Company in 1963. Mining operations at the Libby site stopped in 1990 in response to asbestos contamination.

Loose Fill Insulation - The Vermiculite Association

Loose Fill Insulation. The enhancement of the fire ratings and acoustic performance of the pores and cavities of masonry construction and hollow blockwork can be achieved by filling it with exfoliated vermiculite treated with a water repellent. Larger grades of exfoliated vermiculite can be used to insulate lofts and attics.

Vermiculite Insulation - Pro-Tech Home Inspection Services

Removing the asbestos can be costly to a homeowner and in most cases, leaving the vermiculite in place and not disturbing, or blowing new insulation to cover the vermiculite is a more common practice. In 2014, the Zonolite Attic Insulation (ZAI) Trust was created to reimburse homeowners with vermiculite attic insulation claims.

Vermiculite Building Insulation Action Recommendations ...

Vermiculite insulation action: what to do about vermiculite insulation in buildings: What should be done about potential vermiculite-asbestos hazards ascribed to Zonolite ZAI attic insulation? Should the vermiculite insulation be removed, encapsulated, sealed, or left alone? This article series explains ow to recognize vermiculite building insulation that may contain asbestos fibers.

ASK THE INSPECTOR: Zonolite insulation gives rise to ...

For those not familiar with the Zonolite issue, it concerns asbestos content discovered in this brand of vermiculite insulation in the last decade or so. Much of the mineral used to make this insulation came from a single mine in Montana, owned by the company that produced the Zonolite brand of vermiculite insulation.

Fixing Attics With Vermiculite Insulation ...

Apr 17, 2015· Vermiculite insulation was sold in the U.S. from 1919 to 1990. More than 70% of U.S. vermiculite came from a single mine near Libby, Montana. Vermiculite insulation was sold in bags to builders and homeowners under the Zonolite brand name. Founded in 1919, the Zonolite company was acquired by W.R. Grace Company in 1963.

Vermiculite Insulation - - The ...

EPA is gathering more information about vermiculite insulation and other products containing vermiculite. If you suspect vermiculite insulation is in your home, the safest thing is to leave the material alone. If you decide to remove or must otherwise disturb the material due to a renovation project, consult with an experienced asbestos contractor.

Vermiculite Insulation: Is it Really a Risk if it's in the ...

Jul 25, 2016· The EPA says that vermiculite insulation, which is the pebbly stuff found in attics of many older homes, is only risky if it contains more than 1 percent asbestos. That's good news, because most Zonolite, a vermiculite insulation, falls into that category.

Vermiculite Insulation | Carson Dunlop Home Inspection

Jan 28, 2014· In addition to being light, vermiculite chunks are also absorbent and fire retardant. These characteristics make it great as an additive, for example to potting soil. It also makes a good insulating material. Where Was It Used? Sold under various brand names, such as Zonolite Attic Insulation, the insulation came in big bags.

Asbestos alert! Vermiculite insulation is worse than I ...

May 03, 2016· Vermiculite insulation is way worse than I previously thought. I've known that vermiculite insulation can contain asbestos, and my advice to homeowners has always been to …

Vermiculite Insulation | Honest Home Inspections

By some estimates, up to 35 million homes in the United States may be insulated with asbestos–contaminated Zonolite, which is the brand name for most vermiculite insulation. Vermiculite attic insulation is a pebble–like, pour–in product that is usually light brown or gold in color.

Vermiculite / Zonolite Insulation in my Attic | 8 Points ...

Feb 04, 2017· If you decide to remove the vermiculite from your home, there may be help. The Zonolite Attic Insulation Trust, or ZAI Trust, was established in 2014 when W.R. Grace emerged from bankruptcy. This trust contains funds that can be used to assist in the removal of vermiculite insulation if certain qualifications are met.

CBC News In Depth: Consumers: Vermiculite

From 1977 to the mid-1980s, Canadian homeowners who installed products including Zonolite in their home were eligible for grants under the federal government's Canadian Home Insulation Program ...

New Tool Determines if Vermiculite Insulation Contains ...

Apr 24, 2018· The vermiculite from Libby is part of the longest man-made environmental disaster in American history. It was mined there for more than 50 years, ending in 1990. The insulation, which was known by the brand name Zonolite, is most often found in residential attics. What made the Libby vermiculite so dangerous was its proximity to asbestos deposits.

Vermiculite Insulation - What is Vermiculite? - altasup.com

From 1963 to 1984, vermiculite insulation was sold under the brand name Zonolite, and was available in large bags at many home improvement stores. During that time period, the use of vermiculite insulation exploded, since it was a cheap, readily available insulation material.

Overview: Vermiculite, Zonolite, Asbestos and your health

Zonolite was a brand of vermiculite insulation that is contaminated with small quantities of asbestos. Lots of non-contaminated Vermiculite exists and is used as much in gardening as for insulation. About every two years the media scares all of us with stories of doom and cover-up.

Vermiculite and Asbestos | Old House Web

The Zonolite Company produced the vermiculite until it was purchased by WR Grace & Co in 1963. I occasionally find full bags left in attics labeled "Zonolite Brand Insulating Fill." In addition to being marketed for thermal building insulation, vermiculite has been used in packing material and potting soil.

New information about asbestos and vermiculite attic ...

Apr 26, 2016· Somewhere between 75% – 85% of all vermiculite insulation sold in the U.S. came from a mine in Libby, Montana, and was sold under the name Zonolite. Nearly all of this insulation contained asbestos which could be easily released into the air. As part of a major class-action lawsuit against WR …

Vermiculite Insulation and Asbestos | Health, Seniors and ...

Vermiculite is a mineral used in a number of consumer products, including home insulation. Some vermiculite produced at Libby Mine in Montana from the 1920s until 1990, sold primarily under the brand name Zonolite®, has been found to contain asbestos. While not all vermiculite produced before 1990 ...

Vermiculite Insulating Concrete--The Schundler Company

Vermiculite concrete can be applied over a variety of bases, allowing architects and engineers ample flexibility in their design criteria. The thickness of the concrete can be varied to permit necessary slope to drain. Insulation Vermiculite concrete has excellent insulating properties.

Zonolite Attic Insulation Vermiculite Trust Class Action ...

Zonolite Attic Insulation. It was the trademark name of vermiculite product used for attic insulation in U.S. Zonolite Attic Vermiculite insulation was installed in the number of buildings in the United States between the 1940s and 1980s. It was popular within the construction industry due to properties like fire-resistant and lightweight.

How to Identify Dangerous Asbestos Insulation - The Spruce

If your loose-fill insulation fits the visual cues for vermiculite insulation, you can check to see if it is the asbestos-carrying Zonolite type by purchasing a DIY asbestos testing kit or seeking a commercial firm who can test for asbestos. DIY kits are usually available for less than $50.

Vermiculite Building Insulation & Asbestos Hazards ...

How to recognize vermiculite building insulation that may contain asbestos fibers -Vermiculite Building Insulation: properties, uses, asbestos content What is vermiculite insulation & where is it used? Identify Zonolite ZAI vermiculite insulation hazards & take appropriate action. How to Identify Vermiculite Insulation Vermiculite Insulation Identification Photographs Unidentified Vermiculite ...

Zonolite Attic Insulation Class Action Settlement | Class ...

Zonolite Insulation is the trademarked name of a product mined in Libby, MT and sold as attic insulation between the 1940's and mid-1980's. Consisting of the naturally occurring mineral vermiculite, Zonolite was used for decades to insulate millions of American homes.

Asbestos - Vermiculite - EH: Minnesota Department of Health

Vermiculite Insulation Asbestos. Vermiculite is a naturally occurring mineral compound that expands when heated. A member of the phyllosilicate group of minerals, it resembles mica in appearance. In its pure form, vermiculite is clean, odorless, nontoxic and sterile.

Zonolite Insulation - Asbestos Risks, Lawsuits & Abatement

Jul 25, 2016· The EPA says that vermiculite insulation, which is the pebbly stuff found in attics of many older homes, is only risky if it contains more than 1 percent asbestos. That's good news, because most Zonolite, a vermiculite insulation, falls into that category.

Home- Zonolite Attic Insulation Trust

The Zonolite Attic Insulation Trust (ZAI Trust) was created to help educate the public about the possible health effects of asbestos-containing vermiculite and to provide partial reimbursement for ZAI removal to qualified claimants.

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