[SustainableTompkins] Anyone had experience with insulating ceramic paint additives...

[Greg Thomas]

Don't bother.  They work for roofs but not for walls.  They reflect sunlight
on a roof.  On walls, the heat transfer is mostly conductive and convective
not radiation.  If you had a room or an outside temperature that was 1000oF
they might help.  Then the radiation would be a bigger part of the heat
transfer and they would help.

FYI, I write this about once a year.  Gay asked last year....

Greg




On 10/3/07, Marian Brown <mbrown at ithaca.edu> wrote:
>
> Has anyone out there used any of the ceramic, thermal insulating
> additives you can mix into standard interior or exterior house paint?
> Such additive coatings are based on tiny ceramic "microspheres" and
> supposedly increase the R-value of the surface onto which they are
> applied.
>
> Hy-Tech is one brand - Kool Koat is another that we've heard of....
> http://www.hytechceramics.com/insulatingadditive.html
> http://www.hytechceramics.com/
>
> Any comments?
>
> MMB
>
>
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-- 
Gregory Thomas
President/CEO
Performance Systems Development of New York, LLC
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