Asbestos Blown Attic Insulation

Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand.

Asbestos blown attic insulation.

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. The insulation was sold under the brand name zonolite. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. Vermiculite insulation alone is not dangerous being a pellet style mineral which expands with higher temperatures.

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 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 is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos. Vermiculite is utilized for attic insulation as well as other purposes.

Blown in insulation asbestos has been used as an effective insulator in homes and commercial buildings throughout most of the 20th century. The insulation helps to keep homes cool in the summer and warm in the winter. In addition to building insulation vermiculite is commonly used with gardening for loosening soil.