Brown Insulation In Attic 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.

Brown insulation in attic asbestos.

Department of energy notes that 75 percent of mineral wool is derived from post industrial content. There was also a deposit of asbestos at that mine so the vermiculite from libby was contaminated with asbestos. Vermiculite attic insulation originated from the libby mine while 30 came from other sources. Loose fill insulation comes in a variety of materials.

Insulation comes in a variety of colors. If you encounter vermiculite insulation the epa recommends that you assume it contains asbestos and take appropriate precautions. 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. See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation.

Another indicator is the referenced particles also have an accordion like look or texture. What does asbestos insulation look like on or around pipes. 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. Asbestos fibers can cause respiratory system and lung diseases including cancer.

Vermiculite insulation is often found in attics. Finally you may have attic insulation containing asbestos if it lies flat in the joist cavities and does not puff up like snow. Because zonolite had been contaminated with tremolite it resulted in being a health hazard. Its stone like pieces vary in size and range in color from gray brown to silver gold.

The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. Your home was constructed prior to 1990. How do i know if there is vermiculite insulation in my home. Asbestos insulation found in buildings.

Vermiculite attic insulation is a pebble like pour in product and is usually light brown gray or gold in color. About 70 of u s. Loose fill insulation could contain asbestos if. There is no known safe level of asbestos exposure.

If your insulation contains particles that have a silver gold or gray brown color it may contain asbestos. A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes. Although asbestos is currently banned as an insulating material in many countries buildings that were built before 1980 may still contain insulation with asbestos. Tremolite is similar to asbestos.