Over 100 Building Materials Containing Asbestos

Asbestos is still allowed to be in materials today and is only Banned in a few products. So until testing proves otherwise we assume ALL materials are Positive until proved otherwise. Here are some materials we found tested positive in Seattle commercial and residential buildings.

Some listed items are contributed by other AHERA inspectors.

1. Vapor barrier behind brick veneer
2. The vapor barrier on the interior side of exterior walls behind plaster
3. Gypsum roof deck (this is less often ACM, but I've found it on at least 3 roofs)
4. Mastic / vapor barrier below floor filler and flooring
5. Vapor barrier below terrazzo floors.
6. Bituminous waterproofing on concrete foundation walls below grade
7. Built-up roofing UNDER concrete
8. Transite breaker blocks for electrical circuits
9. Transite board behind electrical panels
10. Elevator cars coated with a black sealant
11. Corrugated asbestos paper insulation in elevator doors
12. Transite inside metal partition walls for offices/cubicles
13. Flower pots
14. Glue inside partition walls
15. Cisterns
16. Cowling around roof vent fans
17. Elevator brake shoes
18. Clutches in conveyor belts and other equipment
19. Framing around radiator
20. Loose fill attic insulation ("Karsolite" & "Zonolite")
21. Mortar was used to insulate hot water piping in homes
22. Distance holders used with lightning conductors
23. Brick was used intermittently in the masonry walls of schools to nail into
24. Fiber backing on the back of fiberglass roofing composite shingles
25. Plaster de Paris
26. Core on fiberglass pipe insulation
27. (vermiculite) in thick plaster base coat beneath scratch and finish coat
28. Paper on fiberglass bats (muck like kraft back) within metal walls of an insulated rail car
29. Loose fill attic insulation
30. Fire door
31. Spray-on Fireproofing added to the concrete foundation
32. Sink undercoating
33. Butterfly valve in an in-line fire/smoke damper
34. Foil backed fiberglass
35. Red cementitious flooring / Magnesite Floor Screed
36. Wallpaper
37. Varnish on a door
38. Pink loose type screed
39. Garage door rope
40. Shaggy bark of an artificial tree in a lobby
41. “ash” in a gas-fired fireplace
42. Thinset adhesive used for ceramic tile,
43. Dampers in a church organ
44. Layered soundproofing to a floor in a church bell tower
45. Wood type oak veneers made from asbestos at the old 'Turners Asbestos Factory' in Manchester UK
46. Padding as soundproofing behind ornate plaster in a Victorian ballroom
47. Fire curtain
48. W.C. cisterns
49. Rocks sold for carving pendants
50. Chimney flu from a hot water heater
51. Surround from an industrial extraction fan
52. Thin (3-5mm thick) foam inserts lining the inside of doors to process control panels
53. Bitumen of the roads
54. Building pads
55. Improvised cricket pitch
56. Cubic yard blocks of concrete
57. Fiber backing of Berber carpet
58. Terrazzo floors(red)
59. Concrete door Thresholds
60. Hotel rooms with ACM fire doors
61. Concrete floor patching
62. Asphalt flooring (similar to blacktop)
63. Duct-wrap type thin Sheet Paper-Slip/vapor barrier of a built-up roof system
64. Duct-wrap type thin Sheet Paper-Behind original metal classroom row lights
65. Hollow fire Doors - Heavy 1/4" thick mastic on interior
66. Gypsum Plank Floor Mastic Vapor Barrier
67. File cabinets/safe insulation
68. Wallpaper
69. EPDM Roof Lap sealant
70. Cable Conduit in manholes - thick, brown, fibrous asphaltic "pipes"
71. Terrazzo with asbestos
72. Aircraft engine sealant/gasket - extremely hard, clear to tan, epoxy possibly
73. Caulk at the wall to floor junction - looks like window glazing
74. Inside of stacks at a former steel plant
75. Inside main stacks on a tug boat lined with transite
76. Chalkboards
77. Galvanized corrugated metal looking material (Galbestos)
78. Chalkboard mastic
79. Expansion joints of concrete curtain walls
80. White chrysotile material within metal windows
81. Brown paper that wraps fiberglass insulation
82. Rubber roof seam positive
83. Thick paint on CMU walls
84. Aircell sheets on ductwork
85. Granular surfacing, which I initially thought was just dust/debris buildup, on the inside of large Westinghouse motor & generator housings
86. Black cork surfacing on piping
87. Viewing shield of a boiler
88. Pure crocidolite sprayed on the auditorium walls
89. CSI Kits for kids containing fake fingerprint powder
90. Black asphaltic coating (much like a sink undercoat) on the backside of cast aluminum basketball backboards
91. The mortar between a product called Pyrobar bricks
92. Alpine Slide track was made of ACM transite
93. Under the wood floor, inside what are called sleepers, filled with chrysotile, for noise and or fire protection
94. Electrical wiring where the inner plastic coating contains chrysotile.
95. Plaster as patching behind an old AIB fume hood
96. Seam mastics between lab countertops
97. Wire mesh with the white disc for holding glass containers over Bunsen burners
98. Old electronic lab equipment with the thick gray insulating board
99. Chalkboards
100. Lab countertops and fume hood countertops
101. Chrysotile mat under lead flooring.
102. Black ACM mastic used to attach a paper/foil jacket to fiberglass pipe insulation
103. ALL WHITE Roofing felt/paper
104. Concrete Foundations
105. Concrete Sidewalks/Driveways
106. Electrical Wire Insulation
107. Drywall
108. Joint Compound
109. Roofing Tar - (Still Sold Today)
110. On the inside of speaker, the box's in K-12 Schools
111. Drip pan - Clay Liner
112. Window putty
113. Rope
114. Stage curtains
115. Floor Underlayment
116. Fiberglass Paper Backing
117. Fireplace Decorative Logs
118. Concrete expansion-seam caulks
119. Rubber
120. Sub-Flooring Slip Sheet
121. Gray Roofing Paint
122. Brick Mortar
123. Lab Hoods
124. Chalkboards
125. Poured Flooring
126. Furnace Gaskets
127. Wood Stove Door Gasket
128. Cement Siding
129. Window Glazing
130. Plaster
131. Felt Floor Padding
132. Cement Wall Board (Found in Kirkland,WA home on exterior Sheathing over 1" thick)
133. Floor Leveler
134. Circuit Breakers

Note: This list does not include every product that may contain asbestos. It is intended as a general guide to show which types of materials have been found to contain asbestos.