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.
Asbestos in residential attics.
Asbestos is dangerous because it contains what is known as fibrous crystals.
Asbestos was incorporated in the insulation of different types including attic insulation.
In homes built prior to 1975 asbestos is most commonly found as thermal insulation on basement boilers and pipes.
Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos.
While remodeling the attic of his 1960s home john found piles of brown pebble like insulation.
These are thin visible fibers.
But just because your insulation is old doesn t mean it is dangerous.
Asbestos in the home one of the places you might find asbestos in a home is the duct system.
And a complete removal in a 1 500 square foot home with asbestos everywhere walls floors ceilings attic roof pipes could be as high as 20 000 30 000.
Attic insulation in older homes may contain asbestos that could fall through ceiling cracks.
The epa asbestos web site contains general information on asbestos sources exposure and health effects what to do if you suspect asbestos training and laws and regulations.
These fibers are carcinogenic meaning they can cause cancer particularly in the lungs and stomach.
Removing a 10 foot section of asbestos pipe insulation could be 400 650.
In older homes specifically asbestos may be found in many different materials from pipe insulation to flooring adhesive to roof shingles.
The white tape you see above is of the type that often contains asbestos although you don t really know without sending a sample to be tested in a lab.
In those rare cases the asbestos containing materials used for insulation were manufactured for some other purpose.
Asbestos is a set of natural silicate minerals.
These fibers consist of millions of microscopic fibrils.
One of the most common materials containing asbestos fibers is attic and wall insulation.
He decided to replace the existing insulation with new fiberglass insulation to save money in the winter months.
It was likely brought home from work at a factory or salvaged from some other type of building.
Other than vermiculite it s actually quite rare to find thermal insulation in residential attics that contains asbestos.