In addition to testing other factors indicate that your flooring tiles may contain asbestos including.
Does my floor covering contain asbestos.
Without a manufacturer s label you can t tell whether a product has asbestos in it just by looking at it.
Adding to modern confusion about which vinyl floor tiles from the 1950 s to 1980 s do or do not contain asbestos some lines such as the excelon supreme ca 1977 did not contain asbestos.
Some very old types of flooring that you may find in buildings that date back to the early 1900s have an attached rubber underlayment and this underlayment may contain asbestos.
Your home was built pre 1980.
Lolly that white backed sheet flooring could contain asbestos as does sometimes asphalt saturated felt underlayment.
If the tiles or the floor beneath show oily discoloration the tiles very likely contain asbestos.
It is safest to assume that any flooring material put down before 1980 contains asbestos.
And some six inch asphalt based or floor tiles tested by a reader were reported to be asbestos free even though their pattern matched other 9x9 asbestos containing floor tiles in the armstrong line.
This type of flooring is dangerous because old underlayment tends to become flaky and crumbly and fibers can become airborne every time you sweep or vacuum with a non hepa vacuum cleaner.
As you can see this method is not an exact science.
On 2020 02 18 by lolly kerr.