Old Insulation In Attic Asbestos

A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes.

Old insulation in attic asbestos.

Fiberglass and cellulose are the most common insulation installed in residential attics today. Because zonolite had been contaminated with tremolite it resulted in being a health hazard. Grace and company in the 1960s and 1970s. There is one type of older insulation that has a significant possibility of being contaminated with asbestos.

See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation. How to identify dangerous asbestos 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. That is the loose granular insulation called vermiculite.

It is often used for gardening and as insulation in older homes. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you. Your home was constructed prior to 1990. In its essence vermiculite is pellet like material that expands at high temperatures.

Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos. One of the most notorious insulation products that caused asbestos exposure is zonolite insulation which was manufactured by w r. Loose fill insulation could contain asbestos if. Asbestos insulation is a very common problem that many people have to deal with at some point.

Vermiculite attic insulation originated from the libby mine while 30 came from other sources. Tremolite is similar to asbestos. But the vermiculite that was mined years ago was contaminated with an asbestos like material. About 70 of u s.

See this article on vermiculite and asbestos for more information. Asbestos insulation found in buildings above. 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. If your insulation is in batt form you shouldn t worry.

In older homes asbestos can be found in many things insulation included especially loose fill attic insulation.