Old Insulation In Attic Asbestos

Fiberglass and cellulose are the most common insulation installed in residential attics today.

Old insulation in attic asbestos.

Vermiculite attic insulation originated from the libby mine while 30 came from other sources. 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. How to identify dangerous asbestos insulation. 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.

In older homes asbestos can be found in many things insulation included especially loose fill attic insulation. One of the most notorious insulation products that caused asbestos exposure is zonolite insulation which was manufactured by w r. A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes. In its essence vermiculite is pellet like material that expands at high temperatures.

But the vermiculite that was mined years ago was contaminated with an asbestos like material. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you. There is one type of older insulation that has a significant possibility of being contaminated with asbestos. Because zonolite had been contaminated with tremolite it resulted in being a health hazard.

Your home was constructed prior to 1990. Asbestos insulation is a very common problem that many people have to deal with at some point. Loose fill insulation could contain asbestos if. See this article on vermiculite and asbestos for more information.

Grace and company in the 1960s and 1970s. Tremolite is similar to asbestos. If you notice that you have insulation that is falling apart in your building have a professional inspect for asbestos. That is the loose granular insulation called vermiculite.

If your insulation is in batt form you shouldn t worry. 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. It is often used for gardening and as insulation in older homes. About 70 of u s.

Asbestos insulation found in buildings above.