[Greenbuilding] Slab on Grade Insulation

[Benjamin Pratt]

I seem to remember people on this list saying that soy foam is typically
largely made up of chemicals, and that soy is just a small fraction of the
total ingredients. Maybe someone who is more knowledgeable than I can
elaborate.
Ben

On Mon, Jun 13, 2011 at 10:23 AM, Bobbi Chukran <bobbi at bobbichukran.com>wrote:

> Hi Lynelle,
>
> Thanks for the advice!  We did talk to another contracter who lives and
> breathes "green" but he's not currently insured.  Darnit!  He mentioned some
> even newer insulating stuff made from either canola or castor bean oil?  I
> hope I can talk the other guy into using soy, not just for us, but also for
> the workers who'll be up in the 120-degree attic spraying it.
>
> bobbi c.
>
>
>
>
>
> On Jun 12, 2011, at 9:08 PM, Lynelle Hamilton wrote:
>
>> It's soy based closed cell, no formaldehyde.  I've been near it when
>> sprayed and there is no noticeable odour.  Even so, it's sprayed under the
>> 4" concrete slab and on the outside of the block only.  The ceiling is done
>> with dense pack cellulose.
>>
>> Some of the stuff is indeed toxic....I had a long talk with my guy here
>> before I let him spray.?
>>
>
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-- 


b e n j a m i n p r a t t

professor art+design
the university of wisconsin stout
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