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 agency.
Asbestos in attic.
How to identify dangerous asbestos insulation.
Asbestos attic insulation is common in older homes as asbestos was inexpensive and an effective insulation.
If your home was built before 1990 and you have vermiculite insulation or if your house was built prior to 1970 it s likely that you have some form of asbestos in your attic or elsewhere.
Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos.
Used for fireproofing and insulation asbestos was a cheap and effective material that became an industry standard for buildings across the country.
The insulation was sold under the brand name zonolite.
If you notice that you have insulation that is falling apart in your building have a professional inspect for asbestos.
There is one primary source of asbestos attic insulation.
Asbestos can be found in the insulation used in walls attics the materials around plumbing and pipes electrical wiring as well as on heating and air conditioning units.
The unfortunate side effects of exposure to asbestos include things as benign as a skin irritation to conditions as severe as lung cancer.