[GSBN] use of ashes in clay plasters and/or floors

[Derek Roff]

And in areas where they have those Reeeeally big Bar-B-Cues, volcanic 
pumice can be a useful insulator for natural building.

Derelict

--On Thursday, February 5, 2009 11:43 AM -0800 Bob Theis 
<bob at bobtheis.net> wrote:

> I agree with Rob Tom's instinct, that once compressed, a layer of ash
> won' t have much air space to insulate.
>
> But a related material,  that does make sense, is the use of
> charcoal. I've read the Romans used it in their villas. Would make a
> lot of sense for a hypocaust.
>
> Bob Theis



Derek Roff
Language Learning Center
Ortega Hall 129, MSC03-2100
University of New Mexico
Albuquerque, NM 87131-0001
505/277-7368, fax 505/277-3885
Internet: derek at unm.edu