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  1. #1
    Join Date
    May 2010
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    St. George, UT
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    217

    Default What kind of vent pipe?

    What kind of ridged pipe (air duct) do you suppose this is (or call it).
    It is running from the gas heater (air distribution) in the basement to the an upstairs room that is on a concrete slab. Home built 1970. I don't want to say the "A" word if I don't need to. It sounds like a clay tile pipe when you "rap" on it.

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  2. #2
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
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    5,847

    Default Re: What kind of vent pipe?

    Looks like transite, which is an asbestos containing product.

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  3. #3
    Join Date
    May 2010
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    St. George, UT
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    217

    Default Re: What kind of vent pipe?

    Quote Originally Posted by Scott Patterson View Post
    Looks like transite, which is an asbestos containing product.
    Thanks Scott,
    Thats what I was thinking but I couldn't remember what it was called or if it did contain Asbestos. I remember seeing this years ago used for sewer pipe. I will be reporting it as such. I am guessing that all the other ducts under the slab is this way, probably several hundred feet.


  4. #4
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    Mar 2007
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    Spring Hill (Nashville), TN
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    Default Re: What kind of vent pipe?

    Quote Originally Posted by Larry Morrison View Post
    Thanks Scott,
    Thats what I was thinking but I couldn't remember what it was called or if it did contain Asbestos. I remember seeing this years ago used for sewer pipe. I will be reporting it as such. I am guessing that all the other ducts under the slab is this way, probably several hundred feet.
    Could be, with in slab ductwork it was common to use transite or similar cementitious type products.

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  5. #5
    Join Date
    Dec 2007
    Location
    Oklahoma
    Posts
    98

    Default Re: What kind of vent pipe?

    Transite is a trade name.
    It is actually called asbestos-cement.


  6. #6
    Join Date
    Mar 2007
    Location
    Knoxville, TN
    Posts
    2,446

    Default Re: What kind of vent pipe?

    Actually transite pipe started out as a trade name "Transite" made by Johns-Manville, but morphed into a generic term for the pipe even though it was made by different companies. The new "transite" pipe does not contain asbestos by the way.


  7. #7
    Join Date
    Dec 2007
    Location
    Oklahoma
    Posts
    98

    Default Re: What kind of vent pipe?

    So Larry
    I would never tell your customer the "A" word unless you have test results.
    I would say you recommend it be tested for the "A" word.


  8. #8
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
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    5,847

    Default Re: What kind of vent pipe?

    Quote Originally Posted by Jack Feldmann View Post
    Actually transite pipe started out as a trade name "Transite" made by Johns-Manville, but morphed into a generic term for the pipe even though it was made by different companies. The new "transite" pipe does not contain asbestos by the way.
    Kind of like Dryvit for EIFS; Kleenex for tissue; Romex for NM cable!

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  9. #9
    Join Date
    May 2010
    Location
    St. George, UT
    Posts
    217

    Default Re: What kind of vent pipe?

    Quote Originally Posted by Damon McCarty View Post
    So Larry
    I would never tell your customer the "A" word unless you have test results.
    I would say you recommend it be tested for the "A" word.
    Agree! That is the way I have worded the report. So, I gave them a link to do more investigation of the product ...This is a home were "I am earning my money". Also has a "Zensco" Elec-Panel...and no ground to recepticals... and a roof system that needs beefed up. (sags)
    I'm getting an 'invaluable' education on this one...at least that is how I keep smiling.


  10. #10
    Join Date
    Jul 2007
    Location
    Phoenix, AZ
    Posts
    182

    Default Re: What kind of vent pipe?

    Again, why are these posts not listed where they should be???

    I'm a dyslexic agnostic-Don't believe there is a dog...

  11. #11
    Join Date
    May 2010
    Location
    St. George, UT
    Posts
    217

    Default Re: What kind of vent pipe?

    Quote Originally Posted by John Carroll View Post
    Again, why are these posts not listed where they should be???
    The header is.....

    InspectionNews - Home Inspection Technical Topics For Home, Commercial & Environmental Inspections Heating, Ventilation, Air Conditioning (HVAC): Home Inspection and Commercial Inspection What kind of vent pipe?

    Where should they be, if not here?


  12. #12
    Join Date
    Mar 2007
    Location
    Chicago IL
    Posts
    117

    Default Re: What kind of vent pipe?

    Quote Originally Posted by Damon McCarty View Post
    So Larry
    I would never tell your customer the "A" word unless you have test results.
    I would say you recommend it be tested for the "A" word.
    If it walks like a duck and quacks like a duck then i guess we need a 'qualified ornithologist' to tell us it's a duck.

    Dan Cullen
    www.domicileconsulting.com
    Chicago IL

  13. #13
    Join Date
    Mar 2007
    Location
    Ridgewood, NJ
    Posts
    237

    Default Re: What kind of vent pipe?

    Quote Originally Posted by Larry Morrison View Post
    Agree! That is the way I have worded the report. So, I gave them a link to do more investigation of the product ...This is a home were "I am earning my money". Also has a "Zensco" Elec-Panel...and no ground to recepticals...
    I see old steam pipe insulation all the time, and state it's asbestos. No need for testing.

    A house built in 1970 with ungrounded outlets?


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