Vermiculite Insulation In Attic Canada

Vermiculite from the libby mine may contain asbestos.

Vermiculite insulation in attic canada.

3 184 of the homes evaluated were in manitoba and 215 6 6 per cent of these homes contained. The trust reimburses homeowners for 55 percent of their removal and reinsulation costs with a maximum payout per owner of 4 125. This material was sold by w r. So if you have vermiculite insulation look into this.

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. Was zonolite widely used. Residential commercial vermiculite asbestos testing sampling and removal service. In canada vermiculite insulation is most often found in residential attic spaces.

That s good news because most zonolite a type of vermiculite insulation falls into that category. 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 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 mine was closed in 1990.

In order to be eligible for reimbursement a claimant must be able to show. The zonolite attic insulation trust was established in 2014 to help homeowners with the cost of removing zonolite attic insulation from their homes. In the us almost all poured vermiculite insulation came from a mine in libby montana contaminated with varying amounts of actinolite or tremolite asbestos. However some of the vermiculite insulation sold in canada came from asbestos free deposits mainly.

That vermiculite is the zonolite brand. 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. 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. Vermiculite from the libby mine in montana usa is known to contain high levels of amphibolic 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. The libby mine supplied the majority of the world market in vermiculite based insulation. Of concern is zonolite attic insulation. Products made from vermiculite ore produced by the libby mine were not widely used after the mid 1.

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.