[Greenbuilding] underslab insulation

[Andy Foldes]

Under pressure the stuff squeezes down to a slimy layer of nothing.

Andy

On Thu, Mar 27, 2008 at 2:15 PM, Stephen Collette <
stephen at yourhealthyhouse.ca> wrote:

> Hi Joseph,
>
> I'm wondering how vermiculite would work. (Not the stuff from Libby,
> Montana) It's got great thermal properties, dries out well, and well
> is a mineral, so could theoretically handle being back in the ground.
> I don't know about compressive strength, under a slab however, as it's
> typically brittle. Thoughts out there?
>
> Has anyone used vermiculite insulation recently? It's easy to use
> that's for sure.
>
> Stephen
>
> Stephen Collette BBEC, LEED AP
> Principal
> Your Healthy House - Indoor Environmental Testing & Building Consulting
> www.yourhealthyhouse.ca
> stephen at yourhealthyhouse.ca
> 705.652.5159
> >
> >
> > I am trying to figure out an alternative underslab insulation. Maybe
> > perlite, volcanic rock, airated concrete, mineralized wood chips or
> > the
> > like.
> >
> > Looking for r-values or compressive strengths of any of these...
> > Any ideas or suggestions out there?
> >
> > Best Energy,
> > Joseph Becker
> > www.ionecobuilding.org
>
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-- 
Andy Foldes, Founder

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