Thanks, Ernie,
Looks like a time for experimentation. I appreciate your information
on boron and upping the mineral content. Yes, insects can be a
problem in the area and the climate might not be the best for
papercrete on the exterior. I just don't have enough information to
say so am hoping for input from anyone.
Sheila
--- In papercreters@yahoogroups.com, "Ernie Phelps" <eepjr24@...>
wrote:
>
> --- In papercreters@yahoogroups.com, "smarsh54" <brucem@> wrote:
> >
> > Thanks, Ernie.
> >
> > I am not sure about the practicality of using papercrete on the
> > exterior as the house is in coastal Washington so lots of
moisture.
> > What is the consensus on using papercrete in such areas and how
best
> > to waterproof it while still letting it breathe. What would be
the
> > best recipe for the exterior in such a location?
>
> Apologies, I was not clear in my message. I meant that you should
use
> a thicker coat on the INSIDE of the exterior walls and a thinner
coat
> on the other inside walls, since insulative value has much less
> meaning on a non-exterior wall. I did not mean for you to change
your
> plans, just take it into consideration when planning on room use
and
> space.
>
> If you want to use PC on the exterior, I would recommend a mix that
> has boron if insects are a problem in your area. I would say a high
> mineral content mix (clay, pozzolans, portland, lime, etc) would
> generally hold up better in that area. Sealing appropriately would
be
> an important consideration and you should look into a wide overhang
on
> the roof to prevent constant rain exposure. Honestly, I would want
to
> test various mixes on an out-building in your climate before I
would
> just try something on my house exterior.
>
> - E
>
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