Is There Asbestos In Attic Insulation

Other than vermiculite it s actually quite rare to find thermal insulation in residential attics that contains asbestos.

Is there asbestos in attic 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. Asbestos insulation can also look like a cardboard covering. Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos. Step 4 positive identification of asbestos can only be obtained using polarizing light microscopy which is only available from a laboratory certified by the environmental protection agency.

In those rare cases the asbestos containing materials used for insulation were manufactured for some other purpose. This type of insulation was usually used on steam heating pipes between 1910 and 1980. 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. 5 things you need to know about vermiculite family handyman.

You may also find thousands of loose particles within walls or under attic flooring. Vermiculite and hvac installations a dangerous asbestos insulation attic contain vermiculite insulation pressreader the family handyman 2019 attic insulation calgary beyond. 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. How to identify dangerous asbestos insulation.

If you re insulation is the batt style insulation as the loose fill insulation has the higher risk as it s loosely poured into wall or joist cavities. One of the most notorious insulation products that caused asbestos exposure is zonolite insulation which was manufactured by w r. Attic insulation may contain asbestos too and just like the other asbestos containing materials and products it entails a great risk of developing severe diseases such as mesothelioma or lung cancer especially if it is in poor condition. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos.

There is one primary source of asbestos attic insulation. If you notice that you have insulation that is falling apart in your building have a professional inspect for asbestos. Loose fill insulation comes in a variety of materials. Grace and company in the 1960s and 1970s.

However there are loose fill wall and attic insulation which can contain asbestos.