More Related Content


Recently uploaded(20)


Asbestos in Homes-Guidance for Homeowners

  1. Asbestos Recognition for Homeowners Learn to recognize possible forms of asbestos in your home before repair or remodeling (MI) (US)
  2. The Nasty Stuff •High percentage asbestos •Friable/bare fibrous material •Typically unsealed •Requires specialized containment for work •Homeowners discouraged from disturbing •Usually a State notification is required for removal or repair
  3. fortunately this stuff is relatively rare in the U.S. due to the availability of fiberglass and wool batting blown-in attic insulation
  4. vermiculite insulation most commonly poured in attics, more common in some regions than others sometimes found inside drywall or cinderblock walls as shown spilling out at the bottom of the wall here EPA suggests on their website that homeowners do not test their vermiculite insulation. I disagree. I believe their recommendation is based on their embarrassment over the regulatory status of this stuff rather than concerns over the validity of the analyses.
  5. often exposed in the basement if no drop ceiling duct insulation/tape risers are typically hidden inside walls
  6. spray-on acoustic plaster thin popcorn-type, thicker sprayed forms are obviously more dangerous
  7. pipe insulation photo credit: Asbestorama
  8. ceiling tile/light heat shields
  9. acoustical drop ceiling panels
  10. Less Dangerous Stuff  does not necessarily stigmatize a home and decrease its value if in good condition  can be covered up or patched rather than removed
  11. rigid siding/roofing shingles
  12. flooring “seamless linoleum” 9x9 floor tile flooring underlayment 1970s linoleum floor underlayment
  13. Hard plaster and drywall joint mud
  14. Examples of Uncommon/ Lower Risk Stuff faux chimney brick mastic mud joist packings for electrical wires plumbing hatch (asbestos cementboard found in a building of 1980 construction) sweat tape rigid cove base/mastic
  15. lower exterior risk materials roofing felt foundation damp-proofing roof sealant/patch exterior foundation window glazing
  16. Unknowns… DAP 33 Window Putty MSDS Are non-fibrous and quasi-fibrous forms of asbestos safe(r)? Probably, but we don’t know for sure.
  17. Repair or removal of high risk materials should always be left to the pros Tri-Tech Building Hygiene Services can provide guidance to homeowners for repair or removal of low-risk forms of asbestos
  18. Tri-Tech Building Hygiene Services Joseph Burley, Principal Consultant 8751 Troy Street Oak Park, Michigan 48237 248-721-8574 For more information on homeowner sample analyses please visit: (Michigan) (Nationwide) Important note: This is not intended to represent all forms of asbestos found in homes. Only a certified Building Inspector is qualified to determine whether a building material could contain asbestos.