Attic Loose Fill Asbestos Insulation

Homes may have loose fill attic insulation made from asbestos contaminated zonolite.

Attic loose fill asbestos insulation.

The vermiculite obtained from this source was contaminated with something called tremolite which is an asbestos like mineral. Loose fill insulation 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. However there are loose fill wall and attic insulation which can contain asbestos. However asbestos can also be found in some forms of wall and loose fill attic insulation as well.

Thus asbestos incidentally became a part of the loose fill attic insulation manufactured under the brand name zone like. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. However there are loose fill wall and attic insulation which can contain asbestos. Most zonolite is contaminated with highly toxic asbestos.

Here s how to determine if a home has it and what to do if it does. 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. As many as 30 million u s. Loose fill insulation is designed to be poured onto attic floors or blown into hollow spaces inside walls and other building structures.

If the insulation is in batt form there is nothing to worry about it is loose fill insulation poured loosely into wall stud cavities or joists that are problematical. Fluffy loose fill asbestos insulation sometimes made almost entirely of the toxic mineral is extremely dangerous because even a slight air current can disturb it sending inhalable asbestos fibers into the air. You may also find thousands of loose particles within walls or under attic flooring. Zonolite is a type of loose fill insulation designed to be poured onto an attic floor.

Zonolite insulation zonolite is the trademarked name of a vermiculite attic insulation product sold between the 1940s and 1990s.