Vermiculite Insulation In Attic Canada

Zonolite attic insulation and possibly other brands in canada during that time.

Vermiculite insulation in attic canada.

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

This insulation was sold in canada under the name of zonolite and was extracted from the libby mine in montana usa. Was zonolite widely used. 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.

Vermiculite from the libby mine may contain asbestos. This material was sold by w r. That s good news because most zonolite a type of vermiculite insulation falls into that category. 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.

Grace under the trade name zonolite attic insulation zai. In the us almost all poured vermiculite insulation came from a mine in libby montana contaminated with varying amounts of actinolite or tremolite asbestos. 3 184 of the homes evaluated were in manitoba and 215 6 6 per cent of these homes contained. The libby mine supplied the majority of the world market in vermiculite based insulation.

The mine was closed in 1990. 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. That vermiculite is the zonolite brand. In order to be eligible for reimbursement a claimant must be able to show.

The material is either present on its own or in combination with other forms of attic insulation such as blown in cellulose and fibreglass. However some of the vermiculite insulation sold in canada came from asbestos free deposits mainly. 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.

Of concern is zonolite attic insulation.