Asbestos Blown Attic Insulation

The insulation was sold under the brand name zonolite.

Asbestos blown attic insulation.

Other insulation balsam wool is a shredded wood product treated with borax as a fire retardant. Loose fill insulation could contain asbestos if. Zonolite will lay flat. That is the loose granular insulation called vermiculite.

Loose fill insulation is designed to be poured onto attic floors or blown into hollow. 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 will take a long period of time to make a difference. Zonolilte is often a silver gold or gray brown color which is another way to identify the insulation particles.

The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. The last thing that you want to do is be breathing around asbestos insulation. This texture is the result of particles puffing due to heat. Insulation coverings for pipes ducts and other plumbing and hvac components in old.

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 insulation was widely used as an insulation material in most residential commercial and public buildings constructed between 1920 and 1986. Keep an eye out. There is one type of older insulation that has a significant possibility of being contaminated with asbestos.

Asbestos will not kill you immediately but it is similar to smoking cigarettes. It was used in construction materials including roofing materials asphalt shingles roofing felt adhesives putty caulking and patching materials. Look for loose fibers between your walls and in your ceilings. As an asbestos alternative cellulose insulation is made from many different materials including cardboard hemp straw newspaper and many other different materials.

Recognizing asbestos insulation 1. Check the underside of your roof for a white or gray rough coating. Zonolite particles have an accordion style texture. Vermiculite is utilized for attic insulation as well as other purposes.

Asbestos spray coating was a commonly used way to. Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos. Asbestos if disturbed can release microscopic fibers that get down into your lungs. When a paper based cellulose mix is utilized by builders it is treated with something called boric acid to give it fire resistance properties.

It s considered a very natural product and does not contain asbestos. Keep an eye out for light fluffy fibers that are used.