Old Insulation In Attic Asbestos

Asbestos insulation found in buildings above.

Old insulation in attic asbestos.

See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation. 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. In its essence vermiculite is pellet like material that expands at high temperatures. Grace and company in the 1960s and 1970s.

But the vermiculite that was mined years ago was contaminated with an asbestos like material. In older homes asbestos can be found in many things insulation included especially loose fill attic insulation. See this article on vermiculite and asbestos for more information. Because zonolite had been contaminated with tremolite it resulted in being a health hazard.

Asbestos insulation is a very common problem that many people have to deal with at some point. Loose fill insulation could contain asbestos if. 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.

How to identify dangerous asbestos insulation. Vermiculite attic insulation originated from the libby mine while 30 came from other sources. One of the most notorious insulation products that caused asbestos exposure is zonolite insulation which was manufactured by w r. 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 you notice that you have insulation that is falling apart in your building have a professional inspect for asbestos. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you. About 70 of u s. Tremolite is similar to asbestos.

Your home was constructed prior to 1990. That is the loose granular insulation called vermiculite. A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes. It is often used for gardening and as insulation in older homes.

If your insulation is in batt form you shouldn t worry.