Blown In Attic Insulation Asbestos

That is the loose granular insulation called vermiculite.

Blown in attic insulation asbestos.

Vermiculite attic insulation originated from the libby mine while 30 came from other sources. Toll free 855 404 4592. It was used in construction materials including roofing materials asphalt shingles roofing felt adhesives putty caulking and patching materials. Asbestos has been linked to a variety of serious health conditions.

There are other sources of asbestos in attic insulation but this single source significantly outpaces the others the primary source of asbestos attic insulation is from a specific mine in montana operated for 70 years by the libby company according to the environmental protection. Your home was constructed prior to 1990. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. Although asbestos is currently banned as an insulating material in many countries buildings that were built before 1980 may still contain insulation with asbestos.

Other insulation balsam wool is a shredded wood product treated with borax as a fire retardant. Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos. Because zonolite had been contaminated with tremolite it resulted in being a health hazard. Asbestos insulation was widely used as an insulation material in most residential commercial and public buildings constructed between 1920 and 1986.

It was very versatile affordable and it could be used in tiles and blow it with another material vermiculite. About 70 of u s. In the late 1970s it became evident that asbestos fibers were very dangerous. Blown in insulation helped reduced electric bills but also generated a risk for the families who lived in them as asbestos was often used to make the insulation flame retardant.

Fluffy loose fill asbestos insulation. Tremolite is similar to asbestos. It s considered a very natural product and does not contain asbestos. There are many different kinds of wool like insulation that are man made and do not have asbestos but if your attic insulation looks like wool than it is best to be safe and have it tested by a professional.

Differences between asbestos and cellulose insulation before we review the differences between continue reading how to tell the difference. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos. There is one type of older insulation that has a significant possibility of being contaminated with asbestos. Loose fill insulation is designed to be poured onto attic floors or blown into hollow spaces inside walls and other building structures.

Loose fill insulation could contain asbestos if. If you have damaged insulation you plan to remodel your building or you suspect your insulation may contain asbestos you need to contact an asbestos professional that is.