Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos.
Asbestos in attic.
Asbestos is dangerous because it contains what is known as fibrous crystals.
If you notice that you have insulation that is falling apart in your building have a professional inspect for asbestos.
Loose fill insulation comes in a variety of materials.
Asbestos was incorporated in the insulation of different types including attic insulation.
Also you need to consider if any disturbance of the insulation possibly by a contractor doing work in your attic may result in the fibers being deposited into other areas of your house where an exposure might be possible.
These fibers consist of millions of microscopic fibrils.
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.
These are thin visible fibers.
Asbestos attic insulation photos.
Here are selected photos on this topic but full relevance is not guaranteed.
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 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.