Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand.
Identify asbestos attic insulation.
I suspect the insulation is original.
Identifying asbestos attic insulation written by gabriella buonassisi on oct 02 2010.
Asbestos insulation is a very common problem that many people have to deal with at some point.
With many homes from that era still standing it is no surprise to run into asbestos in some capacity.
Asbestos insulation can also look like a cardboard covering.
Below we will discuss specifics about loose fill insulation which could contain asbestos.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
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.
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.
It has a sparkle or shine in the sunlight.
Below we will discuss specifics about loose fill insulation which could contain asbestos.
There was also a deposit of asbestos at that mine so the vermiculite from libby was contaminated with asbestos.
On 2020 07 26 by james identify insulation in a 1944 home in virginia.
How to identify asbestos insulation.
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.
So how do you identify if your attic insulation contains asbestos.
It looks to be a white batt type insulation.
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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.
So how do you identify if your attic insulation contains asbestos.
Vermiculite insulation alone is not.
Vermiculite insulation alone is not.
Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand.
I am trying to identify the type of insulation in my attic.
Asbestos is a naturally occurring mineral composed of thin needle like fibers that was once used as a popular building and insulating material.
Loose fill insulation comes in a variety of materials.
This type of insulation was usually used on steam heating pipes between 1910 and 1980.