Your home was constructed prior to 1990.
Old insulation in attic asbestos.
Because zonolite had been contaminated with tremolite it resulted in being a health hazard.
See this article on vermiculite and asbestos for more information.
If you notice that you have insulation that is falling apart in your building have a professional inspect for asbestos.
Zonolite is a type of loose fill insulation made of heat expanded vermiculite and it was installed as attic insulation in millions of american homes.
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.
If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you.
Asbestos insulation is a very common problem that many people have to deal with at some point.
How to identify dangerous asbestos insulation.
Asbestos insulation found in buildings above.
But the vermiculite that was mined years ago was contaminated with an asbestos like material.
If your insulation is in batt form you shouldn t worry.
That is the loose granular insulation called vermiculite.
It is often used for gardening and as insulation in older homes.
In its essence vermiculite is pellet like material that expands at high temperatures.
In older homes asbestos can be found in many things insulation included especially loose fill attic insulation.
About 70 of u s.
Several years ago asbestos was commonly used in everything from shingles to floor tiles and asbestos insulation was used in many homes that were built in the 1950s and 1960s.
Loose fill insulation could contain asbestos if.
See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation.
Vermiculite attic insulation originated from the libby mine while 30 came from other sources.
Tremolite is similar to asbestos.
One of the most notorious insulation products that caused asbestos exposure is zonolite insulation which was manufactured by w r.
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 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.
Fiberglass and cellulose are the most common insulation installed in residential attics today.