Products That Contain Asbestos

Just how widespread is asbestos? Very.

Everyone from Naval shipyard workers, insulating or working on the larger boilers protected by asbestos, to teachers, working in an under construction building, may have been exposed.

While there is no known safe level of asbestos exposure, being exposed to asbestos doesn't automatically mean you'll get asbestos cancer. Additionally, if you have some of these products in your home or at your business, you can't tell if they have asbestos in them simply by looking at them, and they may well not. Many companies provide asbestos testing services; if asbestos is found, contact a reputable asbestos remediation company to safely remove the asbestos. For more information, please see the EPA's web site on asbestos.

Products that May Contain Asbestos

ProductLocationPercentage of AsbestosDates of Use
Roofing & Siding
Roofing feltsFlat, built up roofs10-15%1910-present
Roof felt shinglesRoofs1%1971-1974
Roofing shinglesRoofs20-32%?-present
Roofing TilesRoofs20-30%1930-present
Siding shinglesSiding12-14%?-present
Walls & Ceilings
Sprayed coatingCeilings, walls, and steelwork1-95%1935-1978
Troweled coatingCeilings, walls1-95%1936-1978
Asbestos-cement sheetNear heat sources such as fireplaces, boilers20-50%1930-present
SpackleWalls, ceilings3-5%1930-1978
Joint compoundsWalls, ceilings3-5%1945-1977
Textured paintsWalls, ceilings4-15%?-1978
Millboard, rollboardWalls, commercial buildings80-85%1925- unknown
Vinyl wallpaperWalls6-8%unknown
Insulation boardWalls30%unknown
Vinyl-asbestos tileFloors21%1950-1980?
Asphalt-asbestos tileFloors26-33%1920-1980?
Resilient sheet flooringFloors30%1950-1980?
Mastic ashesivesSheet flooring and tile backing5-25%1945-1980?
Pipes & Boilers
Cement pipe and fittingsWater and sewer mains20%-?1935-present
Block insulationBoilers6-15%1890-1978
Preformed pipe wrapPipes50%1926-1975
Corrugated asbestos paperPipes, high temp.; moderate temp.90; 35-70%1935-1980?; 1910-1980?
Paper tapeFurnaces, steam valves, flanges, electrical wiring80%1901-1980?
Putty (mudding)Plumbing joints20-100%1900-1973
Other Products
Gaskets/PackingPipe flanges, boiler doors, valves, pumps10-80%1900-1980s
Cloth/BlanketsWelding accessory, pipe insulation, curtains, clothing40-100%1900-1985
Clothing (gloves, mittens, sleeves, aprons, coats, jackets, pants, hoods, spats)Heat and fire resistant protective clothing40-100%1900-1985
cement/mortarUsed as a castable insulation on furnaces, pipes, boilers, brick5-100%1900-1975
metal-clad firebrickFound in Open Health Furnaces and Basic Oxygen Furnaces10%1950-1980s
gunnite/fire-proofing spraySprayed onto furnaces as well as structural steel for fireproofing protection20-75%1900-1980s
hot-tops (ingot mold covers and inserts)Used with ingot molds in the steel pouring process10-80%1960-1980

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