Asbestos Types Of Attic Insulation

Asbestos can be present in almost any type of insulation and can look very different than you may expect.

Asbestos types of attic insulation.

The insulation was sold under the brand name zonolite. Treat any insulation as if it is asbestos if you re unsure. Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand. 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.

It can also be found in insulating board ceiling tiles and thermal insulation products. Vermiculite is utilized for attic insulation as well as other purposes. There asbestos attic insulation in your house 123 tainted insulation a risk in older homes but fund can help reduce asbestos in the attic insulation roofing materialore. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.

Grace and company in the 1960s and 1970s. 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. Types of asbestos insulation in buildings fiber control inc. Amosite brown asbestos was used most frequently in cement sheets and pipe insulation.

Loose fill insulation comes in a variety of materials. Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos. Crocidolite blue asbestos was commonly used to insulate steam engines. How to identify dangerous asbestos insulation.

Vermiculite insulation alone is not dangerous being a pellet style mineral which expands with higher temperatures. Types of asbestos attic insulation vermiculite insulation usually has a grey or brown coloration and might look like small pebbles or popcorn. 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. There isn t necessarily a surefire way to tell if your insulation has asbestos unless it s labeled or you have an expert take a look.

Asbestos insulation can also look like a cardboard covering. It is known to be very dangerous and if suspected to be present in a house it is recommended to limit exposure and have a sample of it tested by a certified laboratory. 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 addition to building insulation vermiculite is commonly used with gardening for loosening soil.

This type of insulation was usually used on steam heating pipes between 1910 and 1980.