Asbestos In Blown In Attic Insulation

In the late 1970s it became evident that asbestos fibers were very dangerous.

Asbestos in blown in attic insulation.

You are interested in. From the early 1950 s for a period of nearly forty years the construction industry used asbestos as an insulator and fire retardant. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you. Asbestos insulation many people do not know that asbestos is in fact a natural mineral.

Asbestos attic insulation photos. 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. Vermiculite insulation alone is not dangerous being a pellet style mineral which expands with higher temperatures. Since mineral wool is a man made fiber it does not contain asbestos.

In addition to building insulation vermiculite is commonly used with gardening for loosening soil. 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. Asbestos is a naturally occurring fiber that is mined.

Blown in insulation helped reduced electric bills but also generated a risk for the families who lived in them as asbestos was often used to make the insulation flame retardant. The insulation was sold under the brand name zonolite. There are other sources of asbestos in attic insulation but this single source significantly outpaces the others the primary source of asbestos attic insulation is from a specific mine in montana operated for 70 years by the libby company according to the environmental protection agency. Asbestos is in general terms flexible and soft but also has great corrosion resistant and heat resistant properties.

Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand. Here are selected photos on this topic but full relevance is not guaranteed.