Brown Insulation In Attic Asbestos

Insulation comes in a variety of colors.

Brown insulation in attic asbestos.

What does asbestos insulation look like on or around pipes. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. If your insulation contains particles that have a silver gold or gray brown color it may contain asbestos. Tremolite is similar to asbestos.

See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation. Asbestos fibers can cause respiratory system and lung diseases including cancer. Brown insulation is made up of mineral wool which comes from either rock natural materials or slag the scum on the surface of molten metal. A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes.

Go to top. Vermiculite attic insulation originated from the libby mine while 30 came from other sources. Vermiculite insulation is often found in attics. There is no known safe level of asbestos exposure.

Asbestos insulation found in buildings. About 70 of u s. Your home was constructed prior to 1990. There was also a deposit of asbestos at that mine so the vermiculite from libby was contaminated with asbestos.

If you have damaged insulation you plan to remodel your building or you suspect your insulation may contain asbestos you need to contact an asbestos professional that is. Also see asbestos fireproofing spray on. Vermiculite attic insulation is a pebble like pour in product and is usually light brown gray or gold in color. Finally you may have attic insulation containing asbestos if it lies flat in the joist cavities and does not puff up like snow.

Department of energy notes that 75 percent of mineral wool is derived from post industrial content. Because zonolite had been contaminated with tremolite it resulted in being a health hazard. 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. Concerns about asbestos contaminated vermiculite insulation a mine near libby montana was the source of over 70 percent of all vermiculite sold in the united states from 1919 to 1990.

How do i know if there is vermiculite insulation in my home. Loose fill insulation could contain asbestos if. Its stone like pieces vary in size and range in color from gray brown to silver gold. Loose fill insulation comes in a variety of materials.