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Old 01-28-2012, 11:49 AM   #1
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Asbestos wrapped duct work?


I am removing walls in my home built 1953 and found that my duct work is wrapped in this gray paper (see photos). I know that if I am curious I should get it tested but I am almost positive that someone on here has seen this before and would be able to tell me if this likely is or isn't likely asbestos. Let me know what you think.
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Old 01-28-2012, 12:00 PM   #2
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Asbestos wrapped duct work?


Based on my experience with similar appearing products of similar age, there is a good chance the product you showed contains asbestos. If you plan to remove it, or if it is friable, I recommend you get it tested.

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Old 01-28-2012, 12:07 PM   #3
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Asbestos wrapped duct work?


I think you better get someone look at it. 3 months ago we did install that had that on ductwork too and turn out to be asbestos. I did hear some told me lowes sells a kit you can scrap off a piece and send it out for low cost of 10 bucks but don't know 100% true
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Old 01-28-2012, 04:14 PM   #4
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Asbestos wrapped duct work?


To put it all into context...
the best commercial pizza oven's used asbestos for the deck.

if it isn't damaged... it's probably safest to leave it be.
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Old 01-28-2012, 04:54 PM   #5
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Asbestos wrapped duct work?


Asbestos is most dangerous when the particulant is air borne.....if its wet, it really hard for the fibers to become air borne.
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Old 01-28-2012, 05:07 PM   #6
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Asbestos wrapped duct work?


wet it down real good with a hose and wear a disposable coverall with goggles and breather mask. Keep hose on a light drizzel , keep on area as you remove pieces.

CAUTION That is what a a dumb person would do. A smart person calls an asbestos abatement service.

However i have known people to do it themselves.
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Old 01-28-2012, 06:55 PM   #7
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Asbestos wrapped duct work?


Sorry, It's asbestos!
The safest thing to do is to not disturb it at all. Some folks like to seal in the fibers with a coat of paint.

The next safest option is getting proffessionals to remove it where they try to control the release of those fibers into the air. $$$$$$$!

If you have to remove it for the reno???? don't have $$$$$$$, then HVAC's advise is the alternative (If you have to disturb it).

In nice friendly Canada, we like to mine it & export it to places where shorter lifespans and the concern for one's citizens is absent.
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Old 01-28-2012, 06:58 PM   #8
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Asbestos wrapped duct work?


Quote:
Originally Posted by how View Post
Sorry, It's asbestos!
The safest thing to do is to not disturb it at all. Some folks like to seal in the fibers with a coat of paint.

The next safest option is getting proffessionals to remove it where they try to control the release of those fibers into the air. $$$$$$$!

If you have to remove it for the reno???? don't have $$$$$$$, then HVAC's advise is the alternative (If you have to disturb it).

In nice friendly Canada, we like to mine it & export it to places where shorter lifespans and the concern for one's citizens is absent.
Mental note to self: File papers to sue Canada monday!
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Old 01-28-2012, 08:35 PM   #9
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Asbestos wrapped duct work?


Quote:
Originally Posted by hvac5646 View Post
wet it down real good with a hose and wear a disposable coverall with goggles and breather mask. Keep hose on a light drizzel , keep on area as you remove pieces.

CAUTION That is what a a dumb person would do. A smart person calls an asbestos abatement service.

However i have known people to do it themselves.

i advised how to keep fibers down...........you gave him step by step instructions on removing it.............who is the real dummy?
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Old 01-28-2012, 09:11 PM   #10
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Asbestos wrapped duct work?


HIM>>>>>>
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Old 01-28-2012, 09:41 PM   #11
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Asbestos wrapped duct work?


Quote:
Originally Posted by how View Post
In nice friendly Canada, we like to mine it & export it to places where shorter lifespans and the concern for one's citizens is absent.
A link to Contractortalk and the definitive (just joking )post about asbestos
http://www.contractortalk.com/f11/de...bestos-107732/

Quote:
No single mineral is asbestos. Asbestos is actually a whole slew of fibrous minerals of the serpentine or amphibole groups. All are the product of metamorphism in a hydrous environment of mafic to ultramafic (high to very high in iron and magnesium, with relatively lesser amounts of silicon) rocks. A common metamorphic environment for the genesis of these rocks would be sea floor metamorphism of olivine rich layers in the lower levels of an oceanic crust.

South eastern Canada was or is the major producing country of chrysotile asbestos. Other areas produce asbestos derived from amphiboles such as those in the anthophyllite, actinolite and tremolite families. Many industrialized countries have entirely banned asbestos. Canada has maintained that there is a fundamental difference in how chrysotile and amphibole asbestos affect the body, and a out right ban on chrysotile is not warranted.

The generally laxer view of asbestos use by Canada could also result in some markedly different legal interpretations and regulations than those common in the US
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Old 01-28-2012, 10:08 PM   #12
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Asbestos wrapped duct work?


I know folks who have lived in asbestos related jobs and lived to a ripe old age and others who can supposedly track a single asbestos exposure to the cause of their approaching demise. I wonder about the old asbestos linings on vehicle brake shoes and how for years our roadways must have been filled with air born poison. The difference between chrysotile and amphibole asbestos may explain some of that disparity.

Does anyone know if one type or the other was predominately used as a ducting wrap?
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Old 01-28-2012, 10:19 PM   #13
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Asbestos wrapped duct work?


Well after 3 pacemakers and a stroke I fear not asbestos!
If you think back to what an improvement asbestos made in brakes and fire proofing over the years,Id say its a safe bet that many more lives were saved by asbestos than have been harmed by it

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