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Cutting an asbestos sheet?

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Cutting an asbestos sheet? Terry 08-03-2005
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Posted by Terry on August 3, 2005, 12:26 pm


Knowing that Asbestos now banned in many jurisdictions.

I need to put a heat shield above my wood stove flue because where it
enters the masonry it is only 14 inches below the floor joists above, not
the required 18 inches. Shield will be fastened to and spaced about one inch
below the ceiling joists meeting Fire Dept. inspection and insurance
requirements.

Happen to have a suitable piece quarter inch asbestos sheet which needs
trimming. The cutting length will be about 30 inches. Also will drill four
or six holes. Probably do this by hand rather than power tools to avoid
cracking the sheet and/or blowing dust around.

Intend to cut outside with asbestos soaking wet, wearing a mask. And will
carefully wipe up and bury any wet dust/residue underground under trees.

Any comments on this please.

Or maybe should I just fashion a piece of sheet metal for a heat shield?

Later if/when I 'finish' the existing vertical poured concrete wall behind
the wood stove, a similar spacing situation will occur and a heat shield may
be required behind the burning unit itself.







Posted by Duane Bozarth on August 3, 2005, 10:22 am


Terry wrote:
>
> Knowing that Asbestos now banned in many jurisdictions.

As in the US... :)

.....
>
> Happen to have a suitable piece quarter inch asbestos sheet which needs
> trimming. The cutting length will be about 30 inches. Also will drill four
> or six holes. Probably do this by hand rather than power tools to avoid
> cracking the sheet and/or blowing dust around.
>
> Intend to cut outside with asbestos soaking wet, wearing a mask. And will
> carefully wipe up and bury any wet dust/residue underground under trees.
>
> Any comments on this please.

For a one-time operation I wouldn't be particularly concerned if take
reasonable precautions...all instances of which I am aware are long-term
exposures, not one-time.


....


Posted by SQLit on August 3, 2005, 2:53 pm



> Knowing that Asbestos now banned in many jurisdictions.
>
> I need to put a heat shield above my wood stove flue because where it
> enters the masonry it is only 14 inches below the floor joists above, not
> the required 18 inches. Shield will be fastened to and spaced about one
inch
> below the ceiling joists meeting Fire Dept. inspection and insurance
> requirements.
>
> Happen to have a suitable piece quarter inch asbestos sheet which needs
> trimming. The cutting length will be about 30 inches. Also will drill four
> or six holes. Probably do this by hand rather than power tools to avoid
> cracking the sheet and/or blowing dust around.
>
> Intend to cut outside with asbestos soaking wet, wearing a mask. And will
> carefully wipe up and bury any wet dust/residue underground under trees.
>
> Any comments on this please.
>
> Or maybe should I just fashion a piece of sheet metal for a heat shield?
>
> Later if/when I 'finish' the existing vertical poured concrete wall behind
> the wood stove, a similar spacing situation will occur and a heat shield
may
> be required behind the burning unit itself.

Inquiring minds have to know. Why do you have a sheet of hazardous materials
laying around?
Burying the pieces that is not smart either.

Personally I would not install asbestos anything. When you sell your house
this becomes a disclosure issue.
a layer or 2 of 5/8 fire rock would do the trick and not be on anyone's
list.
Your really sure about the "Fire Dept. inspection and insurance
requirements. "? What about the building department? I find it hard to
imagine my insurance company liking the idea of installing asbestos.




Posted by Duane Bozarth on August 3, 2005, 5:47 pm


SQLit wrote:
>
> > Knowing that Asbestos now banned in many jurisdictions.
> >
> > I need to put a heat shield above my wood stove flue because where it
> > enters the masonry it is only 14 inches below the floor joists above, not
> > the required 18 inches. Shield will be fastened to and spaced about one
> inch
> > below the ceiling joists meeting Fire Dept. inspection and insurance
> > requirements.
> >
> > Happen to have a suitable piece quarter inch asbestos sheet which needs
> > trimming. The cutting length will be about 30 inches. Also will drill four
> > or six holes. Probably do this by hand rather than power tools to avoid
> > cracking the sheet and/or blowing dust around.
> >
> > Intend to cut outside with asbestos soaking wet, wearing a mask. And will
> > carefully wipe up and bury any wet dust/residue underground under trees.
> >
> > Any comments on this please.
> >
> > Or maybe should I just fashion a piece of sheet metal for a heat shield?
> >
> > Later if/when I 'finish' the existing vertical poured concrete wall behind
> > the wood stove, a similar spacing situation will occur and a heat shield
> may
> > be required behind the burning unit itself.
>
> Inquiring minds have to know. Why do you have a sheet of hazardous materials
> laying around?
> Burying the pieces that is not smart either.
>
> Personally I would not install asbestos anything. When you sell your house
> this becomes a disclosure issue.
> a layer or 2 of 5/8 fire rock would do the trick and not be on anyone's
> list.
> Your really sure about the "Fire Dept. inspection and insurance
> requirements. "? What about the building department? I find it hard to
> imagine my insurance company liking the idea of installing asbestos.

Solid sheet isn't the problem w/ asbestos--it's airborne particles that
are the issue although the very word seems to strike fear wherever it's
even uttered any more... :(


Posted by Frank J Warner on August 3, 2005, 3:14 pm



> Knowing that Asbestos now banned in many jurisdictions.
>
> I need to put a heat shield above my wood stove flue because where it
> enters the masonry it is only 14 inches below the floor joists above, not
> the required 18 inches. Shield will be fastened to and spaced about one inch
> below the ceiling joists meeting Fire Dept. inspection and insurance
> requirements.
>
> Happen to have a suitable piece quarter inch asbestos sheet which needs
> trimming. The cutting length will be about 30 inches. Also will drill four
> or six holes. Probably do this by hand rather than power tools to avoid
> cracking the sheet and/or blowing dust around.
>
> Intend to cut outside with asbestos soaking wet, wearing a mask. And will
> carefully wipe up and bury any wet dust/residue underground under trees.
>
> Any comments on this please.

It won't hurt you under those conditions. If it does, you know where to
find me to say I was wrong.

Asbestosis is a chronic lung disease found almost exclusively in people
with *heavy,* *long-term* exposure to raw airborne fibers, such as
miners. Virtually no consumers (people with low to moderate exposure to
*processed* asbestos) have been affected.

Yeah, it killed a few people. It made a bunch of lawyers rich. It
bankrupted several multinational corporations. But Criminy, it ain't
plutonium or anthrax.

-Frank

--
fwarner1-at-franksknives-dot-com
Here's some of my work:
http://www.franksknives.com/


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