Asbestos In Blown In Attic Insulation

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.

Asbestos in blown in attic insulation.

Vermiculite insulation alone is not dangerous being a pellet style mineral which expands with higher temperatures. 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. From the early 1950 s for a period of nearly forty years the construction industry used asbestos as an insulator and fire retardant. You are interested in.

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. Asbestos is a naturally occurring fiber that is mined. In addition to building insulation vermiculite is commonly used with gardening for loosening soil. Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand.

In the late 1970s it became evident that asbestos fibers were very dangerous. Here are selected photos on this topic but full relevance is not guaranteed. Asbestos attic insulation photos. The raw materials are melted in furnaces and blown with air or steam over spinning drums or a centrifuge to create the fibers picture making cotton candy.

Asbestos is in general terms flexible and soft but also has great corrosion resistant and heat resistant properties. Since mineral wool is a man made fiber it does not contain asbestos. How to identify dangerous asbestos insulation. The insulation was sold under the brand name zonolite.

Asbestos insulation many people do not know that asbestos is in fact a natural mineral. Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos.