Brown Insulation In Attic Asbestos

Asbestos insulation found in buildings.

Brown insulation in attic asbestos.

If your insulation contains particles that have a silver gold or gray brown color it may contain asbestos. What does asbestos insulation look like on or around pipes. Vermiculite insulation is often found in attics. 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 is no known safe level of asbestos exposure. Although asbestos is currently banned as an insulating material in many countries buildings that were built before 1980 may still contain insulation with asbestos. Also see asbestos fireproofing spray on. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.

There was also a deposit of asbestos at that mine so the vermiculite from libby was contaminated with asbestos. About 70 of u s. Because zonolite had been contaminated with tremolite it resulted in being a health hazard. If you encounter vermiculite insulation the epa recommends that you assume it contains asbestos and take appropriate precautions.

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. Asbestos fibers can cause respiratory system and lung diseases including cancer. See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation. Insulation comes in a variety of colors.

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. Loose fill insulation comes in a variety of materials. Its stone like pieces vary in size and range in color from gray brown to silver gold. Loose fill insulation could contain asbestos if.

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. Vermiculite attic insulation is a pebble like pour in product and is usually light brown gray or gold in color. Go to top. Another indicator is the referenced particles also have an accordion like look or texture.

Vermiculite attic insulation originated from the libby mine while 30 came from other sources. Tremolite is similar to asbestos. A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes. Department of energy notes that 75 percent of mineral wool is derived from post industrial content.