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.
Identify asbestos attic insulation.
How to identify asbestos insulation.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
Below we will discuss specifics about loose fill insulation which could contain asbestos.
It has a sparkle or shine in the sunlight.
Asbestos is a naturally occurring mineral composed of thin needle like fibers that was once used as a popular building and insulating material.
There is one primary source of asbestos attic insulation.
So how do you identify if your attic insulation contains asbestos.
I suspect the insulation is original.
There was also a deposit of asbestos at that mine so the vermiculite from libby was contaminated with asbestos.
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.
5he house was built in 1944 and is northern virginia.
With many homes from that era still standing it is no surprise to run into asbestos in some capacity.
Loose fill insulation comes in a variety of materials.
I am trying to identify the type of insulation in my attic.
Vermiculite insulation alone is not.
Concerns about asbestos contaminated vermiculite insulation a mine near libby montana was the source of over 70 percent of all vermiculite sold in the united states from 1919 to 1990.
This type of insulation was usually used on steam heating pipes between 1910 and 1980.
Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand.
So how do you identify if your attic insulation contains asbestos.
It looks to be a white batt type insulation.
Identifying asbestos attic insulation written by gabriella buonassisi on oct 02 2010.
Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand.
Exposure to asbestos can cause cancer and diseases like.
Below we will discuss specifics about loose fill insulation which could contain asbestos.
Vermiculite insulation alone is not.
Step 4 positive identification of asbestos can only be obtained using polarizing light microscopy which is only available from a laboratory certified by the environmental protection agency.
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On 2020 07 26 by james identify insulation in a 1944 home in virginia.