Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos.
How to tell if asbestos in attic.
It was used in construction materials including roofing materials asphalt shingles roofing felt adhesives putty caulking and patching materials.
Look in your attic for loose fill asbestos.
There is one primary source of asbestos attic insulation.
If you re insulation is the batt style insulation as the loose fill insulation has the higher risk as it s loosely poured into wall or joist cavities.
Buildings made between the 1940s and the 1980s are very likely to have used asbestos materials.
Asbestos insulation was widely used as an insulation material in most residential commercial and public buildings constructed between 1920 and 1986.
Used for fireproofing and insulation asbestos was a cheap and effective material that became an industry standard for buildings across the country.
The date of the building or material can also tell you a lot about asbestos risk.
Asbestos was a popular material for most of the twentieth century mainly because of its ability to insulate and act as a fire retardant.
In fact it s still used heavily in some parts of the world such as india and china.
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.
You may also find thousands of loose particles within walls or under attic flooring.
Even still asbestos was phased out in the 1980s so some buildings built during that time could have still used asbestos materials.
However there are loose fill wall and attic insulation which can contain asbestos.
If you re unsure if your insulation contains asbestos play it safe and contact a professional to inspect it.
It was very versatile affordable and it could be used in tiles and blow it with another material vermiculite.
There isn t necessarily a surefire way to tell if your insulation has asbestos unless it s labeled or you have an expert take a look.
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.
Differences between asbestos and cellulose insulation before we review the differences between continue reading how to tell the difference.
With asbestos still being used as a very commonly used fire retardant and a very popular insulator right until the end of the 1980 s.