Vermiculite Insulation In Attic Canada

Vermiculite from the libby mine in montana usa is known to contain high levels of amphibolic asbestos.

Vermiculite insulation in attic canada.

From one third to half of the vermiculite from the libby mine was sold as attic insulation from the 1940s until 1984 when its sale by the company was discontinued. The zonolite attic insulation trust was established in 2014 to help homeowners with the cost of removing zonolite attic insulation from their homes. In canada vermiculite insulation is most often found in residential attic spaces. Extracted from the mine between 1920 and 1990 this vermiculite insulation was sold in large bags mainly but not exclusively under the trademark zonolite attic insulation.

Of concern is zonolite attic insulation. So if you have vermiculite insulation look into this. That vermiculite is the zonolite brand. That s good news because most zonolite a type of vermiculite insulation falls into that category.

This insulation was sold in canada under the name of zonolite and was extracted from the libby mine in montana usa. The mine was closed in 1990. Zonolite attic insulation and possibly other brands in canada during that time. The libby mine supplied the majority of the world market in vermiculite based insulation.

In order to be eligible for reimbursement a claimant must be able to show. This material was sold by w r. As long as this kind of vermiculite based insulation remains undisturbed behind intact walls or in attic spaces and does not become airborne it should not be a concern. The trust reimburses homeowners for 55 percent of their removal and reinsulation costs with a maximum payout per owner of 4 125.

Products made from vermiculite ore produced by the libby mine were not widely used after the mid 1. 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. 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 one percent asbestos. The material is either present on its own or in combination with other forms of attic insulation such as blown in cellulose and fibreglass.

Of the 45 455 homes evaluated for energy efficiency across canada as part of natural resource canada s energuide for houses program from june 1 2004 to march 22 2005 vermiculite insulation was observed in 1 674 or 3 7 per cent of houses. However some of the vermiculite insulation sold in canada came from asbestos free deposits mainly. Grace under the trade name zonolite attic insulation zai. Residential commercial vermiculite asbestos testing sampling and removal service.

Was zonolite widely used.