What kinds of building materials may contain asbestos?
| Product |
Location |
%
Asbestos |
Dates
of
Use |
Binder |
Friable/
Nonfriable |
How
fibers can
be released |
| ROOFING
& SIDING |
| Roofing
felts |
Flat,
built up roofs |
10-15 |
1910-present |
Asphalt |
Nonfriable |
Replacing,
repairing, demolishing |
| Roof
felt shingles |
Roofs |
1 |
1971-1974 |
Asphalt |
Friable |
Replacing,
demolishing |
| Roofing
shingles |
Roofs |
20-32 |
?-present |
Portland
cement |
Nonfriable |
Replacing,
repairing, demolishing |
| Roofing
Tiles |
Roofs |
20-30 |
1930-present |
Portland
cement |
Nonfriable |
Replacing,
repairing, demolishing |
| Siding
shingles |
Siding |
12-14 |
?-present |
Portland
cement |
Nonfriable |
Replacing,
repairing, demolishing |
| Clapboards |
Siding |
12-15 |
1944-1945 |
Portland
cement |
Nonfriable |
Replacing,
repairing, demolishing |
| WALLS
& CEILINGS |
| Sprayed
coating |
Ceilings,
walls, and
steelwork |
1-95 |
1935-1978 |
Portland
cement, sodium silicate, organic binders |
Friable |
Water
damage, deterioration, impact |
| Troweled
coating |
Ceilings,
walls |
1-95 |
1936-1978 |
Portland
cement, sodium silicate |
Friable |
Water
damage, deterioration, impact |
| Asbestos-cement
sheet |
Near
heat sources such as fireplaces, boilers |
20-50 |
1930-present |
Portland
cement |
Nonfriable |
Cutting,
sanding, scraping |
| Spackle |
Walls,
ceilings |
3-5 |
1930-1978 |
Starch,
casein, synthetic resins |
Friable |
Cutting,
sanding, scraping |
| Joint
compounds |
Walls,
ceilings |
3-5 |
1945-1977 |
Asphalt |
Friable |
Cutting,
sanding, scraping |
| Textured
paints |
Walls,
ceilings |
4-15 |
?-1978 |
|
Friable |
Cutting,
sanding, scraping |
| Millboard,
rollboard |
Walls,
commercial buildings |
80-85 |
1925-? |
Starch,
lime, clay |
Friable |
Cutting,
demolition |
| Vinyl
wallpaper |
Walls |
6-8 |
? |
|
Nonfriable |
Removal,
sanding, dry scraping, cutting |
| Insulation
board |
Walls |
30 |
? |
Silicates |
Friable |
Removal,
sanding, dry scraping, cutting |
| FLOORS |
| Vinyl-asbestos
tile |
Floors |
21 |
1950-1980? |
Poly(vinyl)-chloride |
Nonfriable |
Removal,
sanding, dry scraping, cutting |
| Asphalt-asbestos
tile |
Floors |
26-33 |
1920-1980? |
Asphalt |
Nonfriable |
Removal,
sanding, dry scraping, cutting |
| Resilient
sheet flooring |
Floors |
30 |
1950-1980? |
Dry
oils |
Nonfriable |
Removal,
sanding, dry scraping, cutting |
| Mastic
ashesives |
Sheet
flooring and tile backing |
5-25 |
1945-1980? |
Asphalt |
Friable |
Removal,
sanding, dry scraping, cutting |
| PIPES
& BOILERS |
| Cement
pipe and fittings |
Water
and sewer mains |
20-? |
1935-present |
Portland
cement |
Nonfriable |
Demolition,
cutting, removing |
| Block
insulation |
Boilers |
6-15 |
1890-1978 |
Magnesium
carbonate, calcium silicate |
Friable |
Damage,
cutting, deterioration |
| Preformed
pipe wrap |
Pipes |
50 |
1926-1975 |
Magnesium
carbonate, calcium silicate |
Friable |
Damage,
cutting, deterioration |
| Corrugated
asbestos paper |
Pipes,
high temp., moderate temp. |
90
35-70 |
1935-1980?
1910-1980? |
Sodium
silicate, starch |
Friable |
Damage,
cutting, deterioration |
| Paper
tape |
Furnaces,
steam valves, flanges, electrical wiring |
80 |
1901-1980? |
Polymers,
starches, silicates |
Friable |
Tearing,
deterioration |
| Putty
(mudding) |
Plumbing
joints |
20-100 |
1900-1973 |
Clay |
Friable |
Water
damage, cutting, deterioration |
Source: United States Environmental Protection Agency
|
