Blown In Attic Insulation Asbestos

Your home was constructed prior to 1990.

Blown in attic insulation asbestos.

With many homes from that era still standing it is no surprise to run into asbestos in some capacity. Asbestos insulation was widely used as an insulation material in most residential commercial and public buildings constructed between 1920 and 1986. It s considered a very natural product and does not contain asbestos. Asbestos insulation is a very common problem that many people have to deal with at some point.

Because zonolite had been contaminated with tremolite it resulted in being a health hazard. It was used in construction materials including roofing materials asphalt shingles roofing felt adhesives putty caulking and patching materials. There is one primary source of asbestos attic insulation. Loose fill or batt the common term for blanket insulation.

The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. Both can be added to uninsulated attics or layered over existing material. Tremolite is similar to asbestos. Vermiculite attic insulation originated from the libby mine while 30 came from other sources.

With asbestos still being used as a very commonly used fire retardant and a very popular insulator right until the end of the 1980 s. Asbestos insulation was the biggest source of asbestos exposure for workers throughout the 20th century and it remains a toxic hazard in many homes and businesses to this day. It was very versatile affordable and it could be used in tiles and blow it with another material vermiculite. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

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. Loose fill insulation could contain asbestos if. That is the loose granular insulation called vermiculite. There is one type of older insulation that has a significant possibility of being contaminated with asbestos.

About 70 of u s. For diy attic insulation you ve got two choices. 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. Several years ago asbestos was commonly used in everything from shingles to floor tiles and asbestos insulation was used in many homes that were built in the 1950s and 1960s.

Differences between asbestos and cellulose insulation before we review the differences between continue reading how to tell the difference. Asbestos was long considered an ideal material for almost all types of insulation until its cancer causing effects were.