Re: [papercreters] Papercrete siding?

The conventional wisdom for papercrete structures in a high rain area is
good boots and a hat, meaning a foundation that raises the papercrete
off the ground and a nice wide overhang. A 1' overhang on a 24' wall
isn't going to give any protection from blowing rain. You didn't mention
the foundation. Is it slab on grade or is there space between the walls
and the ground?

A good seal like elastomeric has been discussed, but I don't remember
anyone reporting on the effectiveness of it. Asphalt emulsion and water
glass have also been discussed. I tried AE on one panel and it seemed to
work well but that panel disappeared so longevity was not tested.

In your situation I would consider using the papercrete as infill
between the studs, on the inside. Papercrete absorbs water like a sponge
and takes a while to dry out, in your area it may never get dried out
between rains. If it was sandwiched between housewrap and a sealing
layer then any small leak could make it wet enough to mold.

Once in a while we hear from someone in a wet place, like Puerto Rico
for instance. I don't think any of them have reported back saying that
pc was successful in a rain forest. In your case I think it would be
prudent to make a small papercrete project like a storage shed and see
how it holds up to the weather.

spaceman

On 1/29/2013 12:58 PM, charlieitaly wrote:
> Hello Everyone,
>
> I just recently found out about papercrete and it sounds like it might be something I want to use for a project. I searched the archives looking for info on using papercrete for siding but didn't come up with much.
>
> Here's my situation: I own a 1960's church that my wife and I are turning into a community center. It needs a lot of work.
>
> The walls are 2x4 framing with no insulation, 1/2" plywood sheathing, tar paper, and cedar shingles that were installed incorrectly and should have been replaced 10 years ago. The walls are 24' high with 1' roof overhangs. The location is Eugene, Oregon. It rains a lot here and the walls get lots of sun and rain.
>
> Can I use papercrete for siding?
>
> Here's my thinking: strip the shingles, add house wrap, build 4'x8'x3.5" panels of papercrete. Screw them to the walls. Papercrete the seams. Paint with . . . what?
>
> Will this work?
>
> I appreciate any comments or suggestions.
>
> Thanks much,
>
> Charlie Magee
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>
>
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