Asbestos Blown Attic Insulation

Asbestos spray coating was a commonly used way to.

Asbestos blown attic insulation.

Asbestos is actually a natural fiber so if your attic insulation looks like wool there is a slight chance that it will contain asbestos. Zonolilte is often a silver gold or gray brown color which is another way to identify the insulation particles. It was used in construction materials including roofing materials asphalt shingles roofing felt adhesives putty caulking and patching materials. This texture is the result of particles puffing due to heat.

Loose fill insulation is designed to be poured onto attic floors or blown into hollow. 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. Check the underside of your roof for a white or gray rough coating. It will take a long period of time to make a difference.

Other insulation balsam wool is a shredded wood product treated with borax as a fire retardant. There is one type of older insulation that has a significant possibility of being contaminated with asbestos. Look for loose fibers between your walls and in your ceilings. 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.

That is the loose granular insulation called vermiculite. Asbestos if disturbed can release microscopic fibers that get down into your lungs. Types of asbestos insulation loose fill asbestos insulation. The insulation was sold under the brand name zonolite.

Keep an eye out for light fluffy fibers that are used. Vermiculite is utilized for attic insulation as well as other purposes. Zonolite particles have an accordion style texture. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.

Zonolite will lay flat. Asbestos insulation was widely used as an insulation material in most residential commercial and public buildings constructed between 1920 and 1986. When a paper based cellulose mix is utilized by builders it is treated with something called boric acid to give it fire resistance properties. Insulation coverings for pipes ducts and other plumbing and hvac components in old.

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. The last thing that you want to do is be breathing around asbestos insulation. It s considered a very natural product and does not contain asbestos. As an asbestos alternative cellulose insulation is made from many different materials including cardboard hemp straw newspaper and many other different materials.

Loose fill insulation comes in a variety of materials. Recognizing asbestos insulation 1.